diff --git a/nmap.cc b/nmap.cc
index 4c2b63d1b..21e9db88a 100644
--- a/nmap.cc
+++ b/nmap.cc
@@ -1416,20 +1416,13 @@ int nmap_main(int argc, char *argv[]) {
   }
 
 #if HAVE_IPV6
-  if(o.af() == AF_INET6 && o.traceroute) {
-     error("Warning: Traceroute does not support IPv6, disabling...");
-     o.traceroute = 0;
-  } else
+  if(o.af() == AF_INET6 && o.traceroute)
+     fatal("Traceroute does not support IPv6");
 #endif
-  if(o.traceroute && (o.idlescan || o.connectscan)) {
-    error("Warning: Traceroute does not support idle or connect scan, disabling...");
-    o.traceroute = 0;
-  }
-
-  if(o.traceroute && !o.isr00t) {
-    error("Warning: Traceroute has to be run as root, disabling...");
-    o.traceroute = 0;
-  }
+  if (o.traceroute && !o.isr00t)
+    fatal("Traceroute has to be run as root");
+  if (o.traceroute && (o.idlescan || o.connectscan))
+    fatal("Traceroute does not support idle or connect scan");
 
 
   if ((o.noportscan) && (portlist || o.fastscan))