--- main.c	Wed Jul 24 14:41:38 2002
+++ tracerouteexp/main.c	Sun Jul 21 14:04:48 2002
@@ -266,7 +266,7 @@
 	readbuf[lus]=0;
 	if(insaneverbose)
 		printf("*** result of  first try : %s\n",readbuf);
-	if(strstr(readbuf,"%x%x%x%x")){
+	if(strstr(readbuf,"%x%x%x%x%x")){
 		printf("*** fatal : This version is patched\n");
 		exit(-1);
 		}