diff --git a/src/MOI_wrapper.jl b/src/MOI_wrapper.jl
index 96e7f60..37310f1 100644
--- a/src/MOI_wrapper.jl
+++ b/src/MOI_wrapper.jl
@@ -805,16 +805,14 @@ end
 
 function MOI.supports_add_constrained_variable(
     ::Optimizer,
-    ::Type{MOI.GreaterThan{Float64}},
-    ::Type{MOI.LessThan{Float64}},
+    ::Type{Tuple{MOI.GreaterThan{Float64},MOI.LessThan{Float64}}},
 )
     return true
 end
 
 function MOI.add_constrained_variable(
     model::Optimizer,
-    set_gt::MOI.GreaterThan{Float64},
-    set_lt::MOI.LessThan{Float64},
+    set::Tuple{MOI.GreaterThan{Float64},MOI.LessThan{Float64}},
 )
     # Initialize `_VariableInfo` with a dummy `VariableIndex` and a column,
     # because we need `add_item` to tell us what the `VariableIndex` is.
@@ -826,13 +824,13 @@ function MOI.add_constrained_variable(
     # Now, set `.index` and `.column`.
     info.index = index
     info.column = HighsInt(length(model.variable_info) - 1)
-    l, u = set_gt.lower, set_lt.upper
+    l, u = set[1].lower, set[2].upper
     ret = Highs_addCol(model, 0.0, l, u, 0, C_NULL, C_NULL)
     _check_ret(ret)
-    _update_info(info, set_gt)
-    _update_info(info, set_lt)
-    c_gt = MOI.ConstraintIndex{MOI.VariableIndex,(typeof(set_gt))}(index.value)
-    c_lt = MOI.ConstraintIndex{MOI.VariableIndex,(typeof(set_lt))}(index.value)
+    _update_info(info, set[1])
+    _update_info(info, set[2])
+    c_gt = MOI.ConstraintIndex{MOI.VariableIndex,(typeof(set[1]))}(index.value)
+    c_lt = MOI.ConstraintIndex{MOI.VariableIndex,(typeof(set[2]))}(index.value)
     return index, (c_gt, c_lt)
 end
 
diff --git a/test/MOI_wrapper.jl b/test/MOI_wrapper.jl
index b336159..929b848 100644
--- a/test/MOI_wrapper.jl
+++ b/test/MOI_wrapper.jl
@@ -956,6 +956,21 @@ function test_active_bound()
     return
 end
 
+function test_add_constrained_variable_tuple()
+    F = MOI.VariableIndex
+    model = HiGHS.Optimizer()
+    set = (MOI.GreaterThan(0.0), MOI.LessThan(1.0))
+    @requires MOI.supports_add_constrained_variable(model, typeof(set))
+    x, (c_l, c_u) = MOI.add_constrained_variable(model, set)
+    @test c_l == MOI.ConstraintIndex{F,MOI.GreaterThan{Float64}}(x.value)
+    @test c_u == MOI.ConstraintIndex{F,MOI.LessThan{Float64}}(x.value)
+    @test MOI.get(model, MOI.ConstraintFunction(), c_l) == x
+    @test MOI.get(model, MOI.ConstraintSet(), c_l) == set[1]
+    @test MOI.get(model, MOI.ConstraintFunction(), c_u) == x
+    @test MOI.get(model, MOI.ConstraintSet(), c_u) == set[2]
+    return
+end
+
 end  # module
 
 TestMOIHighs.runtests()