diff -N -u -r -X exclude_files squid-1.0.beta16/src/neighbors.c squid-1.0.beta16.henrik/src/neighbors.c
--- squid-1.0.beta16/src/neighbors.c	Mon Jun 10 22:37:47 1996
+++ squid-1.0.beta16.henrik/src/neighbors.c	Wed Jun 12 10:58:58 1996
@@ -591,7 +591,7 @@
 	hierarchy_log_append(entry->url,
 	    HIER_UDP_HIT_OBJ,
 	    0,
-	    e->host);
+	    e ? e->host : inet_ntoa(from->sin_addr));
 	if (mem)
 	    mem->hierarchy_code = HIER_UDP_HIT_OBJ;
 	if (httpState->reply_hdr)