diff --git a/mcs/mcs/convert.cs b/mcs/mcs/convert.cs
index a11d8b6c8269447343521521eaf6dd1a46a33d08..33a16119605892c36b6bc6fc6a8d266049bcf6b0 100644
--- a/mcs/mcs/convert.cs
+++ b/mcs/mcs/convert.cs
@@ -1375,8 +1375,12 @@ namespace Mono.CSharp {
 			if (expr_type == InternalType.Arglist && target_type == TypeManager.arg_iterator_type)
 				return expr;
 
-			if (TypeSpecComparer.IsEqual (expr_type, target_type))
-				return expr;
+			if (TypeSpecComparer.IsEqual (expr_type, target_type)) {
+				if (expr_type == target_type)
+					return expr;
+
+				return EmptyCast.Create (expr, target_type);
+			}
 
 			return null;
 		}