Index: src/sys/netinet/ip_input.c
===================================================================
--- src/sys/netinet/ip_input.c	(revision 153)
+++ src/sys/netinet/ip_input.c	(working copy)
@@ -464,7 +464,7 @@
 		m->m_flags &= ~M_FASTFWD_OURS;
 		goto ours;
 	}
-	dchg = (m_tag_find(m, PACKET_TAG_IPFORWARD, NULL) != NULL);
+	dchg |= (m_tag_find(m, PACKET_TAG_IPFORWARD, NULL) != NULL);
 #endif /* IPFIREWALL_FORWARD */
 
 passin: