Index: /trunk/src/VBox/Devices/Network/slirp/ip_icmpwin.c
===================================================================
--- /trunk/src/VBox/Devices/Network/slirp/ip_icmpwin.c	(revision 54115)
+++ /trunk/src/VBox/Devices/Network/slirp/ip_icmpwin.c	(revision 54116)
@@ -141,6 +141,5 @@
 
     ttl = ip->ip_ttl;
-    AssertReturnVoid(ttl > 1); /* should've been dealt with in the caller */
-    --ttl;
+    AssertReturnVoid(ttl > 0);
 
     reqsize = ip->ip_len - hlen - sizeof(struct icmp_echo);
