diff --git a/src/eval.c b/src/eval.c
index d12708e..be3f462 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -1291,7 +1291,7 @@
 	else
 	{
 	    if (lp->ll_type != NULL
-			      && check_typval_type(lp->ll_type, rettv) == FAIL)
+			   && check_typval_type(lp->ll_type, rettv, 0) == FAIL)
 		return;
 	    set_var_const(lp->ll_name, lp->ll_type, rettv, copy, flags);
 	}