diff --git a/src/flint/FlintTypes.jl b/src/flint/FlintTypes.jl
index 4ab88eed4..9199983fc 100644
--- a/src/flint/FlintTypes.jl
+++ b/src/flint/FlintTypes.jl
@@ -802,41 +802,21 @@ mutable struct ZZModPolyRingElem <: PolyRingElem{ZZModRingElem}
     return ZZModPolyRingElem(R.ninv, a)
   end
 
-  function ZZModPolyRingElem(n::fmpz_mod_ctx_struct, arr::Vector{ZZRingElem})
-    length(arr) == 0 && error("Array must have length > 0")
+  function ZZModPolyRingElem(n::fmpz_mod_ctx_struct, a::Vector{<:Union{Integer,ZZRingElem,ZZModRingElem}})
+    length(a) == 0 && error("Array must have length > 0")
     z = new()
     ccall((:fmpz_mod_poly_init2, libflint), Nothing,
           (Ref{ZZModPolyRingElem}, Int, Ref{fmpz_mod_ctx_struct}),
-          z, length(arr), n)
-    for i in 1:length(arr)
-      ccall((:fmpz_mod_poly_set_coeff_fmpz, libflint), Nothing,
-            (Ref{ZZModPolyRingElem}, Int, Ref{ZZRingElem}, Ref{fmpz_mod_ctx_struct}),
-            z, i - 1, arr[i], n)
-    end
-    finalizer(_fmpz_mod_poly_clear_fn, z)
-    return z
-  end
-
-  function ZZModPolyRingElem(R::ZZModRing, arr::Vector{ZZRingElem})
-    return ZZModPolyRingElem(R.ninv, arr)
-  end
-
-  function ZZModPolyRingElem(n::fmpz_mod_ctx_struct, arr::Vector{ZZModRingElem})
-    z = new()
-    ccall((:fmpz_mod_poly_init2, libflint), Nothing,
-          (Ref{ZZModPolyRingElem}, Int, Ref{fmpz_mod_ctx_struct}),
-          z, length(arr), n)
-    for i in 1:length(arr)
-      ccall((:fmpz_mod_poly_set_coeff_fmpz, libflint), Nothing,
-            (Ref{ZZModPolyRingElem}, Int, Ref{ZZRingElem}, Ref{fmpz_mod_ctx_struct}),
-            z, i - 1, arr[i].data, n)
+          z, length(a), n)
+    for i in 1:length(a)
+      setcoeff!(z, i-1, a[i])
     end
     finalizer(_fmpz_mod_poly_clear_fn, z)
     return z
   end
 
-  function ZZModPolyRingElem(R::ZZModRing, arr::Vector{ZZModRingElem})
-    return ZZModPolyRingElem(R.ninv, arr)
+  function ZZModPolyRingElem(R::ZZModRing, a::Vector{<:Union{Integer,ZZRingElem,ZZModRingElem}})
+    return ZZModPolyRingElem(R.ninv, a)
   end
 
   function ZZModPolyRingElem(n::fmpz_mod_ctx_struct, f::ZZPolyRingElem)
@@ -974,41 +954,21 @@ mutable struct FpPolyRingElem <: PolyRingElem{FpFieldElem}
     return FpPolyRingElem(R.ninv, a)
   end
 
-  function FpPolyRingElem(n::fmpz_mod_ctx_struct, arr::Vector{ZZRingElem})
-    length(arr) == 0 && error("Array must have length > 0")
+  function FpPolyRingElem(n::fmpz_mod_ctx_struct, a::Vector{<:Union{Integer,ZZRingElem,FpFieldElem}})
+    length(a) == 0 && error("Array must have length > 0")
     z = new()
     ccall((:fmpz_mod_poly_init2, libflint), Nothing,
           (Ref{FpPolyRingElem}, Int, Ref{fmpz_mod_ctx_struct}),
-          z, length(arr), n)
-    for i in 1:length(arr)
-      ccall((:fmpz_mod_poly_set_coeff_fmpz, libflint), Nothing,
-            (Ref{FpPolyRingElem}, Int, Ref{ZZRingElem}, Ref{fmpz_mod_ctx_struct}),
-            z, i - 1, arr[i], n)
-    end
-    finalizer(_fmpz_mod_poly_clear_fn, z)
-    return z
-  end
-
-  function FpPolyRingElem(R::FpField, arr::Vector{ZZRingElem})
-    FpPolyRingElem(R.ninv, arr)
-  end
-
-  function FpPolyRingElem(n::fmpz_mod_ctx_struct, arr::Vector{FpFieldElem})
-    z = new()
-    ccall((:fmpz_mod_poly_init2, libflint), Nothing,
-          (Ref{FpPolyRingElem}, Int, Ref{fmpz_mod_ctx_struct}),
-          z, length(arr), n)
-    for i in 1:length(arr)
-      ccall((:fmpz_mod_poly_set_coeff_fmpz, libflint), Nothing,
-            (Ref{FpPolyRingElem}, Int, Ref{ZZRingElem}, Ref{fmpz_mod_ctx_struct}),
-            z, i - 1, arr[i].data, n)
+          z, length(a), n)
+    for i in 1:length(a)
+      setcoeff!(z, i - 1, a[i])
     end
     finalizer(_fmpz_mod_poly_clear_fn, z)
     return z
   end
 
-  function FpPolyRingElem(R::FpField, arr::Vector{FpFieldElem})
-    return FpPolyRingElem(R.ninv, arr)
+  function FpPolyRingElem(R::FpField, a::Vector{<:Union{Integer,ZZRingElem,FpFieldElem}})
+    return FpPolyRingElem(R.ninv, a)
   end
 
   function FpPolyRingElem(n::fmpz_mod_ctx_struct, f::ZZPolyRingElem)
@@ -3382,40 +3342,14 @@ mutable struct FpRelPowerSeriesRingElem <: RelPowerSeriesRingElem{FpFieldElem}
     return FpRelPowerSeriesRingElem(R.ninv)
   end
 
-  function FpRelPowerSeriesRingElem(p::fmpz_mod_ctx_struct, a::Vector{ZZRingElem},
+  function FpRelPowerSeriesRingElem(p::fmpz_mod_ctx_struct, a::Vector{<:Union{Integer,ZZRingElem,FpFieldElem}},
       len::Int, prec::Int, val::Int)
     z = new()
     ccall((:fmpz_mod_poly_init2, libflint), Nothing,
           (Ref{FpRelPowerSeriesRingElem}, Int, Ref{fmpz_mod_ctx_struct}),
           z, len, p)
-    for i = 1:len
-      ccall((:fmpz_mod_poly_set_coeff_fmpz, libflint), Nothing,
-            (Ref{FpRelPowerSeriesRingElem}, Int, Ref{ZZRingElem},
-             Ref{fmpz_mod_ctx_struct}),
-            z, i - 1, a[i], p)
-    end
-    z.prec = prec
-    z.val = val
-    finalizer(_gfp_fmpz_rel_series_clear_fn, z)
-    return z
-  end
-
-  function FpRelPowerSeriesRingElem(R::FpField, a::Vector{ZZRingElem},
-      len::Int, prec::Int, val::Int)
-    return FpRelPowerSeriesRingElem(R.ninv, a, len, prec, val)
-  end
-
-  function FpRelPowerSeriesRingElem(p::fmpz_mod_ctx_struct, a::Vector{FpFieldElem},
-      len::Int, prec::Int, val::Int)
-    z = new()
-    ccall((:fmpz_mod_poly_init2, libflint), Nothing,
-          (Ref{FpRelPowerSeriesRingElem}, Int, Ref{fmpz_mod_ctx_struct}),
-          z, len, p)
-    for i = 1:len
-      ccall((:fmpz_mod_poly_set_coeff_fmpz, libflint), Nothing,
-            (Ref{FpRelPowerSeriesRingElem}, Int, Ref{ZZRingElem},
-             Ref{fmpz_mod_ctx_struct}),
-            z, i - 1, data(a[i]), p)
+    for i in 1:len
+      setcoeff!(z, i-1, a[i])
     end
     z.prec = prec
     z.val = val
@@ -3423,7 +3357,7 @@ mutable struct FpRelPowerSeriesRingElem <: RelPowerSeriesRingElem{FpFieldElem}
     return z
   end
 
-  function FpRelPowerSeriesRingElem(R::FpField, a::Vector{FpFieldElem},
+  function FpRelPowerSeriesRingElem(R::FpField, a::Vector{<:Union{Integer,ZZRingElem,FpFieldElem}},
       len::Int, prec::Int, val::Int)
     return FpRelPowerSeriesRingElem(R.ninv, a, len, prec, val)
   end
@@ -3497,40 +3431,14 @@ mutable struct ZZModRelPowerSeriesRingElem <: RelPowerSeriesRingElem{ZZModRingEl
     return ZZModRelPowerSeriesRingElem(R.ninv)
   end
 
-  function ZZModRelPowerSeriesRingElem(p::fmpz_mod_ctx_struct, a::Vector{ZZRingElem},
-      len::Int, prec::Int, val::Int)
-    z = new()
-    ccall((:fmpz_mod_poly_init2, libflint), Nothing,
-          (Ref{ZZModRelPowerSeriesRingElem}, Int, Ref{fmpz_mod_ctx_struct}),
-          z, len, p)
-    for i = 1:len
-      ccall((:fmpz_mod_poly_set_coeff_fmpz, libflint), Nothing,
-            (Ref{ZZModRelPowerSeriesRingElem}, Int, Ref{ZZRingElem},
-             Ref{fmpz_mod_ctx_struct}),
-            z, i - 1, a[i], p)
-    end
-    z.prec = prec
-    z.val = val
-    finalizer(_fmpz_mod_rel_series_clear_fn, z)
-    return z
-  end
-
-  function ZZModRelPowerSeriesRingElem(R::ZZModRing, a::Vector{ZZRingElem},
-      len::Int, prec::Int, val::Int)
-    return ZZModRelPowerSeriesRingElem(R.ninv, a, len, prec, val)
-  end
-
-  function ZZModRelPowerSeriesRingElem(p::fmpz_mod_ctx_struct, a::Vector{ZZModRingElem},
+  function ZZModRelPowerSeriesRingElem(p::fmpz_mod_ctx_struct, a::Vector{<:Union{Integer,ZZRingElem,ZZModRingElem}},
       len::Int, prec::Int, val::Int)
     z = new()
     ccall((:fmpz_mod_poly_init2, libflint), Nothing,
           (Ref{ZZModRelPowerSeriesRingElem}, Int, Ref{fmpz_mod_ctx_struct}),
           z, len, p)
-    for i = 1:len
-      ccall((:fmpz_mod_poly_set_coeff_fmpz, libflint), Nothing,
-            (Ref{ZZModRelPowerSeriesRingElem}, Int, Ref{ZZRingElem},
-             Ref{fmpz_mod_ctx_struct}),
-            z, i - 1, data(a[i]), p)
+    for i in 1:len
+      setcoeff!(z, i-1, a[i])
     end
     z.prec = prec
     z.val = val
@@ -3538,7 +3446,7 @@ mutable struct ZZModRelPowerSeriesRingElem <: RelPowerSeriesRingElem{ZZModRingEl
     return z
   end
 
-  function ZZModRelPowerSeriesRingElem(R::ZZModRing, a::Vector{ZZModRingElem},
+  function ZZModRelPowerSeriesRingElem(R::ZZModRing, a::Vector{<:Union{Integer,ZZRingElem,ZZModRingElem}},
       len::Int, prec::Int, val::Int)
     return ZZModRelPowerSeriesRingElem(R.ninv, a, len, prec, val)
   end
@@ -3611,45 +3519,21 @@ mutable struct FpAbsPowerSeriesRingElem <: AbsPowerSeriesRingElem{FpFieldElem}
     return FpAbsPowerSeriesRingElem(R.ninv)
   end
 
-  function FpAbsPowerSeriesRingElem(p::fmpz_mod_ctx_struct, a::Vector{ZZRingElem},
-      len::Int, prec::Int)
-    z = new()
-    ccall((:fmpz_mod_poly_init2, libflint), Nothing,
-          (Ref{FpAbsPowerSeriesRingElem}, Int, Ref{fmpz_mod_ctx_struct}),
-          z, len, p)
-    for i = 1:len
-      ccall((:fmpz_mod_poly_set_coeff_fmpz, libflint), Nothing,
-            (Ref{FpAbsPowerSeriesRingElem}, Int, Ref{ZZRingElem},
-             Ref{fmpz_mod_ctx_struct}),
-            z, i - 1, a[i], p)
-    end
-    z.prec = prec
-    finalizer(_gfp_fmpz_abs_series_clear_fn, z)
-    return z
-  end
-
-  function FpAbsPowerSeriesRingElem(R::FpField, a::Vector{ZZRingElem}, len::Int, prec::Int)
-    return FpAbsPowerSeriesRingElem(R.ninv, a, len, prec)
-  end
-
-  function FpAbsPowerSeriesRingElem(p::fmpz_mod_ctx_struct, a::Vector{FpFieldElem},
+  function FpAbsPowerSeriesRingElem(p::fmpz_mod_ctx_struct, a::Vector{<:Union{Integer,ZZRingElem,FpFieldElem}},
       len::Int, prec::Int)
     z = new()
     ccall((:fmpz_mod_poly_init2, libflint), Nothing,
           (Ref{FpAbsPowerSeriesRingElem}, Int, Ref{fmpz_mod_ctx_struct}),
           z, len, p)
-    for i = 1:len
-      ccall((:fmpz_mod_poly_set_coeff_fmpz, libflint), Nothing,
-            (Ref{FpAbsPowerSeriesRingElem}, Int, Ref{ZZRingElem}, Ref{fmpz_mod_ctx_struct}),
-            z, i - 1, data(a[i]), p)
+    for i in 1:len
+      setcoeff!(z, i-1, a[i])
     end
     z.prec = prec
     finalizer(_gfp_fmpz_abs_series_clear_fn, z)
     return z
   end
 
-  function FpAbsPowerSeriesRingElem(R::FpField, a::Vector{FpFieldElem},
-      len::Int, prec::Int)
+  function FpAbsPowerSeriesRingElem(R::FpField, a::Vector{<:Union{Integer,ZZRingElem,FpFieldElem}}, len::Int, prec::Int)
     return FpAbsPowerSeriesRingElem(R.ninv, a, len, prec)
   end
 
@@ -3863,45 +3747,21 @@ mutable struct ZZModAbsPowerSeriesRingElem <: AbsPowerSeriesRingElem{ZZModRingEl
     return ZZModAbsPowerSeriesRingElem(R.ninv)
   end
 
-  function ZZModAbsPowerSeriesRingElem(p::fmpz_mod_ctx_struct, a::Vector{ZZRingElem},
+  function ZZModAbsPowerSeriesRingElem(p::fmpz_mod_ctx_struct, a::Vector{<:Union{Integer,ZZRingElem,ZZModRingElem}},
       len::Int, prec::Int)
     z = new()
     ccall((:fmpz_mod_poly_init2, libflint), Nothing,
           (Ref{ZZModAbsPowerSeriesRingElem}, Int, Ref{fmpz_mod_ctx_struct}),
           z, len, p)
-    for i = 1:len
-      ccall((:fmpz_mod_poly_set_coeff_fmpz, libflint), Nothing,
-            (Ref{ZZModAbsPowerSeriesRingElem}, Int, Ref{ZZRingElem},
-             Ref{fmpz_mod_ctx_struct}),
-            z, i - 1, a[i], p)
-    end
-    z.prec = prec
-    finalizer(_fmpz_mod_abs_series_clear_fn, z)
-    return z
-  end
-
-  function ZZModAbsPowerSeriesRingElem(R::ZZModRing, a::Vector{ZZRingElem}, len::Int, prec::Int)
-    return ZZModAbsPowerSeriesRingElem(R.ninv, a, len, prec)
-  end
-
-  function ZZModAbsPowerSeriesRingElem(p::fmpz_mod_ctx_struct, a::Vector{ZZModRingElem},
-      len::Int, prec::Int)
-    z = new()
-    ccall((:fmpz_mod_poly_init2, libflint), Nothing,
-          (Ref{ZZModAbsPowerSeriesRingElem}, Int, Ref{fmpz_mod_ctx_struct}),
-          z, len, p)
-    for i = 1:len
-      ccall((:fmpz_mod_poly_set_coeff_fmpz, libflint), Nothing,
-            (Ref{ZZModAbsPowerSeriesRingElem}, Int, Ref{ZZRingElem}, Ref{fmpz_mod_ctx_struct}),
-            z, i - 1, data(a[i]), p)
+    for i in 1:len
+      setcoeff!(z, i-1, a[i])
     end
     z.prec = prec
     finalizer(_fmpz_mod_abs_series_clear_fn, z)
     return z
   end
 
-  function ZZModAbsPowerSeriesRingElem(R::ZZModRing, a::Vector{ZZModRingElem},
-      len::Int, prec::Int)
+  function ZZModAbsPowerSeriesRingElem(R::ZZModRing, a::Vector{<:Union{Integer,ZZRingElem,ZZModRingElem}}, len::Int, prec::Int)
     return ZZModAbsPowerSeriesRingElem(R.ninv, a, len, prec)
   end
 
diff --git a/src/flint/fmpz_mod_abs_series.jl b/src/flint/fmpz_mod_abs_series.jl
index 569a7c32f..a42dce6d2 100644
--- a/src/flint/fmpz_mod_abs_series.jl
+++ b/src/flint/fmpz_mod_abs_series.jl
@@ -574,16 +574,23 @@ for (etype, rtype, ctype, mtype, brtype, flint_fn) in (
       return nothing
     end
 
-    function setcoeff!(z::($etype), n::Int, x::ZZRingElem)
-      ccall(($(flint_fn*"_set_coeff_fmpz"), libflint), Nothing,
-            (Ref{($etype)}, Int, Ref{ZZRingElem}, Ref{($ctype)}),
-            z, n, x, z.parent.base_ring.ninv)
+    function setcoeff!(z::($etype), n::Int, x::ZZRingElemOrPtr)
+      @ccall libflint.fmpz_mod_poly_set_coeff_fmpz(z::Ref{($etype)}, n::Int, x::Ref{ZZRingElem}, base_ring(z).ninv::Ref{($ctype)})::Nothing
       return z
     end
-
-    function setcoeff!(z::($etype), n::Int, x::$(mtype))
-      return setcoeff!(z, n, data(x))
+    
+    function setcoeff!(z::($etype), n::Int, x::UInt)
+      @ccall libflint.fmpz_mod_poly_set_coeff_ui(z::Ref{($etype)}, n::Int, x::UInt, base_ring(z).ninv::Ref{($ctype)})::Nothing
+      return z
+    end
+    
+    function setcoeff!(z::($etype), n::Int, x::Int)
+      @ccall libflint.fmpz_mod_poly_set_coeff_si(z::Ref{($etype)}, n::Int, x::UInt, base_ring(z).ninv::Ref{($ctype)})::Nothing
     end
+    
+    setcoeff!(z::($etype), n::Int, x::Integer) = setcoeff!(z, n, flintify(x))
+    
+    setcoeff!(z::($etype), n::Int, x::($mtype)) = setcoeff!(z, n, data(x))
 
     function mul!(z::($etype), a::($etype), b::($etype))
       lena = length(a)
diff --git a/src/flint/fmpz_mod_poly.jl b/src/flint/fmpz_mod_poly.jl
index ac6982c31..36ddd1296 100644
--- a/src/flint/fmpz_mod_poly.jl
+++ b/src/flint/fmpz_mod_poly.jl
@@ -891,30 +891,27 @@ function fit!(x::T, n::Int) where {T <: Zmodn_fmpz_poly}
   return nothing
 end
 
-function setcoeff!(x::T, n::Int, y::UInt) where {T <: Zmodn_fmpz_poly}
-  ccall((:fmpz_mod_poly_set_coeff_ui, libflint), Nothing,
-        (Ref{T}, Int, UInt, Ref{fmpz_mod_ctx_struct}),
-        x, n, y, x.parent.base_ring.ninv)
-  return x
+#
+
+function setcoeff!(z::T, n::Int, x::ZZRingElemOrPtr) where T <: Zmodn_fmpz_poly
+  @ccall libflint.fmpz_mod_poly_set_coeff_fmpz(z::Ref{T}, n::Int, x::Ref{ZZRingElem}, base_ring(z).ninv::Ref{fmpz_mod_ctx_struct})::Nothing
+  return z
 end
 
-function setcoeff!(x::T, n::Int, y::Int) where {T <: Zmodn_fmpz_poly}
-  ccall((:fmpz_mod_poly_set_coeff_si, libflint), Nothing,
-        (Ref{T}, Int, UInt, Ref{fmpz_mod_ctx_struct}),
-        x, n, y, x.parent.base_ring.ninv)
-  return x
+function setcoeff!(z::T, n::Int, x::UInt) where T <: Zmodn_fmpz_poly
+  @ccall libflint.fmpz_mod_poly_set_coeff_ui(z::Ref{T}, n::Int, x::UInt, base_ring(z).ninv::Ref{fmpz_mod_ctx_struct})::Nothing
+  return z
 end
 
-function setcoeff!(x::T, n::Int, y::ZZRingElem) where {T <: Zmodn_fmpz_poly}
-  ccall((:fmpz_mod_poly_set_coeff_fmpz, libflint), Nothing,
-        (Ref{T}, Int, Ref{ZZRingElem}, Ref{fmpz_mod_ctx_struct}),
-        x, n, y, x.parent.base_ring.ninv)
-  return x
+function setcoeff!(z::T, n::Int, x::Int) where T <: Zmodn_fmpz_poly
+  @ccall libflint.fmpz_mod_poly_set_coeff_si(z::Ref{T}, n::Int, x::UInt, base_ring(z).ninv::Ref{fmpz_mod_ctx_struct})::Nothing
 end
 
-setcoeff!(x::T, n::Int, y::Integer) where {T <: Zmodn_fmpz_poly} = setcoeff!(x, n, ZZRingElem(y))
+setcoeff!(z::T, n::Int, x::Integer) where T <: Zmodn_fmpz_poly = setcoeff!(z, n, flintify(x))
 
-setcoeff!(x::ZZModPolyRingElem, n::Int, y::ZZModRingElem) = setcoeff!(x, n, y.data)
+setcoeff!(z::ZZModPolyRingElem, n::Int, x::ZZModRingElem) = setcoeff!(z, n, data(x))
+
+#
 
 function add!(z::T, x::T, y::T) where {T <: Zmodn_fmpz_poly}
   ccall((:fmpz_mod_poly_add, libflint), Nothing,
diff --git a/src/flint/fmpz_mod_rel_series.jl b/src/flint/fmpz_mod_rel_series.jl
index 07905aef7..c089ebebc 100644
--- a/src/flint/fmpz_mod_rel_series.jl
+++ b/src/flint/fmpz_mod_rel_series.jl
@@ -710,19 +710,23 @@ for (etype, rtype, ctype, mtype, brtype, flint_fn) in (
       return nothing
     end
 
-    function setcoeff!(z::($etype), n::Int, x::ZZRingElem)
-      ccall(($(flint_fn*"_set_coeff_fmpz"), libflint), Nothing,
-            (Ref{($etype)}, Int, Ref{ZZRingElem}, Ref{($ctype)}),
-            z, n, x, z.parent.base_ring.ninv)
+    function setcoeff!(z::($etype), n::Int, x::ZZRingElemOrPtr)
+      @ccall libflint.fmpz_mod_poly_set_coeff_fmpz(z::Ref{($etype)}, n::Int, x::Ref{ZZRingElem}, base_ring(z).ninv::Ref{($ctype)})::Nothing
       return z
     end
-
-    function setcoeff!(z::($etype), n::Int, x::($mtype))
-      ccall(($(flint_fn*"_set_coeff_fmpz"), libflint), Nothing,
-            (Ref{($etype)}, Int, Ref{ZZRingElem}, Ref{($ctype)}),
-            z, n, x.data, z.parent.base_ring.ninv)
+    
+    function setcoeff!(z::($etype), n::Int, x::UInt)
+      @ccall libflint.fmpz_mod_poly_set_coeff_ui(z::Ref{($etype)}, n::Int, x::UInt, base_ring(z).ninv::Ref{($ctype)})::Nothing
       return z
     end
+    
+    function setcoeff!(z::($etype), n::Int, x::Int)
+      @ccall libflint.fmpz_mod_poly_set_coeff_si(z::Ref{($etype)}, n::Int, x::UInt, base_ring(z).ninv::Ref{($ctype)})::Nothing
+    end
+    
+    setcoeff!(z::($etype), n::Int, x::Integer) = setcoeff!(z, n, flintify(x))
+    
+    setcoeff!(z::($etype), n::Int, x::($mtype)) = setcoeff!(z, n, data(x))
 
     function mul!(z::($etype), a::($etype), b::($etype))
       lena = pol_length(a)
diff --git a/src/flint/gfp_fmpz_poly.jl b/src/flint/gfp_fmpz_poly.jl
index b3584a669..a926bc021 100644
--- a/src/flint/gfp_fmpz_poly.jl
+++ b/src/flint/gfp_fmpz_poly.jl
@@ -462,7 +462,7 @@ end
 #
 ################################################################################
 
-setcoeff!(x::FpPolyRingElem, n::Int, y::FpFieldElem) = setcoeff!(x, n, y.data)
+setcoeff!(z::FpPolyRingElem, n::Int, x::FpFieldElem) = setcoeff!(z, n, data(x))
 
 ################################################################################
 #