diff --git a/net/bridge/br_forward.c b/net/bridge/br_forward.c
index 61f6534..aab8470 100644
--- a/net/bridge/br_forward.c
+++ b/net/bridge/br_forward.c
@@ -34,7 +34,7 @@
 		p->state == BR_STATE_FORWARDING);
 }
 
-static inline unsigned packet_length(const struct sk_buff *skb)
+static inline unsigned int packet_length(const struct sk_buff *skb)
 {
 	return skb->len - (skb->protocol == htons(ETH_P_8021Q) ? VLAN_HLEN : 0);
 }