diff --git a/src/compiler/orcv2.jl b/src/compiler/orcv2.jl
index 1640b05db2..4673cf30c7 100644
--- a/src/compiler/orcv2.jl
+++ b/src/compiler/orcv2.jl
@@ -266,7 +266,11 @@ function add!(mod)
 end
 
 function lookup(name)
-    LLVM.lookup(jit[].jit, name)
+    @static if sizeof(Int) == sizeof(Int64)
+	LLVM.lookup(jit[].jit, name)
+    else
+	UInt(LLVM.lookup(jit[].jit, name))
+    end
 end
 
 end # module