diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 1afc06ffd969..dde4ecc0cd18 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -5785,7 +5785,7 @@ static unsigned int selinux_ip_postroute_compat(struct sk_buff *skb,
 	struct sk_security_struct *sksec;
 	struct common_audit_data ad;
 	struct lsm_network_audit net = {0,};
-	u8 proto;
+	u8 proto = 0;
 
 	sk = skb_to_full_sk(skb);
 	if (sk == NULL)