diff --git a/ginvoke.c b/ginvoke.c
index 581956a36..6c39c48ec 100644
--- a/ginvoke.c
+++ b/ginvoke.c
@@ -227,7 +227,6 @@ gi_cclosure_marshal_generic (GClosure *closure,
     {
       rtype = g_value_to_ffi_return_type (return_gvalue, &return_ffi_value,
 					  &rvalue);
-      rtype = value_to_ffi_type (return_gvalue, &rvalue);
     }
   else
     {