diff --git a/net/ipv4/netfilter/ip_conntrack_helper_pptp.c b/net/ipv4/netfilter/ip_conntrack_helper_pptp.c
index 7d3ba4302e9e3ef0463c79d7e175eed53eb6e4d0..8ccfe17bb253353693bb745c5c9fceff8ffa7de1 100644
--- a/net/ipv4/netfilter/ip_conntrack_helper_pptp.c
+++ b/net/ipv4/netfilter/ip_conntrack_helper_pptp.c
@@ -469,8 +469,8 @@ pptp_inbound_pkt(struct sk_buff **pskb,
 			DEBUGP("%s but no session\n", pptp_msg_name[msg]);
 			break;
 		}
-		if (info->sstate != PPTP_CALL_IN_REP
-		    && info->sstate != PPTP_CALL_IN_CONF) {
+		if (info->cstate != PPTP_CALL_IN_REP
+		    && info->cstate != PPTP_CALL_IN_CONF) {
 			DEBUGP("%s but never sent IN_CALL_REPLY\n",
 				pptp_msg_name[msg]);
 			break;