diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 44f4495e3fbd9..55d253c6ab2fb 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -4974,7 +4974,7 @@ static unsigned int selinux_ip_postroute_compat(struct sk_buff *skb,
 	struct common_audit_data ad;
 	struct lsm_network_audit net = {0,};
 	char *addrp;
-	u8 proto;
+	u8 proto = 0;
 
 	if (sk == NULL)
 		return NF_ACCEPT;