diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index 3ee2022..d8e5c94 100644
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -773,7 +773,7 @@ static unsigned int br_nf_post_routing(unsigned int hook, struct sk_buff **pskb,
 	}
 #endif
 
-	if (!nf_bridge)
+	if (!nf_bridge || !nf_bridge->physindev)
 		return NF_ACCEPT;
 
 	if (!realoutdev)