diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 2e8842fa6450de0a2716f75ab1eabda0ce2fad6b..efecdcff5055af9a252b466a166d548a0ee0ce3a 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -1340,8 +1340,10 @@ static int rt6_insert_exception(struct rt6_info *nrt,
 	spin_unlock_bh(&rt6_exception_lock);
 
 	/* Update fn->fn_sernum to invalidate all cached dst */
-	if (!err)
+	if (!err) {
 		fib6_update_sernum(ort);
+		fib6_force_start_gc(net);
+	}
 
 	return err;
 }