--- linux-2.4.x/net/ipv4/netfilter/ip_conntrack_pptp.c	5 Sep 2003 04:24:24 -0000	1.12
+++ linux-2.4.x/net/ipv4/netfilter/ip_conntrack_pptp.c	5 Sep 2003 05:29:24 -0000	1.13
@@ -124,6 +124,7 @@
 			/* remove only if occurred at same sequence number */
 			if (other_exp != exp && other_exp->seq == exp->seq) {
 				DEBUGP("unexpecting other direction\n");
+				ip_ct_gre_keymap_destroy(exp);
 				ip_conntrack_unexpect_related(other_exp);
 			}
 		}