diff -up lesstif-0.95.0/lib/Xm-2.1/Manager.c.accelkeys lesstif-0.95.0/lib/Xm-2.1/Manager.c
--- lesstif-0.95.0/lib/Xm-2.1/Manager.c.accelkeys	2005-04-02 16:58:11.000000000 +0200
+++ lesstif-0.95.0/lib/Xm-2.1/Manager.c	2007-08-31 00:19:19.000000000 +0200
@@ -1764,7 +1764,8 @@ _XmAcceleratorHandler(Widget w, XtPointe
 	 modifiers" or "these modifiers plus any others" */
 	if (/*MGR_KeyboardList(w)[i].eventType == event->type && */
 	    MGR_KeyboardList(w)[i].key == event->xkey.keycode &&
-	    (MGR_KeyboardList(w)[i].modifiers & event->xkey.state) == MGR_KeyboardList(w)[i].modifiers &&
+	    MGR_KeyboardList(w)[i].modifiers ==
+	        (event->xkey.state & ~(Mod2Mask | LockMask)) &&
 	    MGR_KeyboardList(w)[i].component == comp &&
 	    XtIsManaged(comp))
 	{