diff --git a/quickjs.c b/quickjs.c
index 84474d1..dcd0fd6 100644
--- a/quickjs.c
+++ b/quickjs.c
@@ -48100,6 +48100,8 @@ static BOOL check_regexp_getter(JSContext *ctx,
         return FALSE;
     if ((prs->flags & JS_PROP_TMASK) != JS_PROP_GETSET)
         return FALSE;
+    if (!pr->u.getset.getter)
+        return FALSE;
     return JS_IsCFunction(ctx, JS_MKPTR(JS_TAG_OBJECT, pr->u.getset.getter),
                           func, magic);
 }