diff --git a/src/eval.c b/src/eval.c
index 99bc5a5..0fb7911 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -3328,7 +3328,8 @@
     {
 	if (res == OK)
 	{
-	    type_T *actual = typval2type(rettv, get_copyID(), &type_list, TRUE);
+	    type_T *actual = typval2type(rettv, get_copyID(), &type_list,
+							       TVTT_DO_MEMBER);
 
 	    if (!equal_type(want_type, actual, 0))
 	    {