diff --git a/src/userfunc.c b/src/userfunc.c
index 680017c..5de5dd0 100644
--- a/src/userfunc.c
+++ b/src/userfunc.c
@@ -4466,7 +4466,7 @@
 	int		var_conflict = FALSE;
 
 	v = find_var(name, &ht, TRUE);
-	if (v != NULL)
+	if (v != NULL && (in_vim9script() || v->di_tv.v_type == VAR_FUNC))
 	    var_conflict = TRUE;
 
 	if (SCRIPT_ID_VALID(current_sctx.sc_sid))