diff --git a/mozilla/webtools/bugzilla/enter_bug.cgi b/mozilla/webtools/bugzilla/enter_bug.cgi
index 162431ecdbc..7f74c54838e 100755
--- a/mozilla/webtools/bugzilla/enter_bug.cgi
+++ b/mozilla/webtools/bugzilla/enter_bug.cgi
@@ -180,7 +180,7 @@ sub pickos {
             /\(.*Windows 2000.*\)/ && do {return "Windows 2000";};
             /\(.*Windows NT 5.*\)/ && do {return "Windows 2000";};
             /\(.*Windows.*NT.*\)/ && do {return "Windows NT";};
-            /\(.*Win.*98.*4\.9.*\)/ && do {return "Windows ME";};
+            /\(.*Win.*9[8x].*4\.9.*\)/ && do {return "Windows ME";};
             /\(.*Win98.*\)/ && do {return "Windows 98";};
             /\(.*Win95.*\)/ && do {return "Windows 95";};
             /\(.*Win16.*\)/ && do {return "Windows 3.1";};