diff --git a/mozilla/webtools/bugzilla/enter_bug.cgi b/mozilla/webtools/bugzilla/enter_bug.cgi
index 915dcb47d92..28020df0f0e 100755
--- a/mozilla/webtools/bugzilla/enter_bug.cgi
+++ b/mozilla/webtools/bugzilla/enter_bug.cgi
@@ -302,6 +302,7 @@ sub pickos {
               /\(.*Windows.*NT.*\)/ && do {push @os, "Windows NT";};
             };
             /\(.*Mac OS X.*\)/ && do {
+              /\(.*Intel.*Mac OS X 10.5.*\)/ && do {push @os, "Mac OS X 10.5";};
               /\(.*Intel.*Mac OS X.*\)/ && do {push @os, "Mac OS X 10.4";};
               /\(.*Mac OS X.*\)/ && do {push @os, ("Mac OS X 10.3", "Mac OS X 10.0", "Mac OS X");};
             };