diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 37c7341a60b..e9abcafcac8 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,7 @@
+2011-02-04  Sam Steingold  <sds@gnu.org>
+
+	* mouse.el (mouse-buffer-menu-mode-groups): Add a "GDB" group.
+
 2011-02-04  Andreas Schwab  <schwab@linux-m68k.org>
 
 	* international/mule-util.el (with-coding-priority): Doc fix.
diff --git a/lisp/mouse.el b/lisp/mouse.el
index c0b86d45028..87f9be6bf57 100644
--- a/lisp/mouse.el
+++ b/lisp/mouse.el
@@ -1729,6 +1729,8 @@ a large number if you prefer a mixed multitude.  The default is 4."
     ("Outline" . "Text")
     ("\\(HT\\|SG\\|X\\|XHT\\)ML" . "SGML")
     ("log\\|diff\\|vc\\|cvs\\|Annotate" . "Version Control") ; "Change Management"?
+    ("Threads\\|Memory\\|Disassembly\\|Breakpoints\\|Frames\\|Locals\\|Registers\\|Inferior I/O\\|Debugger"
+     . "GDB")
     ("Lisp" . "Lisp")))
   "How to group various major modes together in \\[mouse-buffer-menu].
 Each element has the form (REGEXP . GROUPNAME).