--- a/ipc/dbus/DBusUtils.h
+++ b/ipc/dbus/DBusUtils.h
@@ -53,17 +53,17 @@ private:
 };
 
 /**
  * DBusReplyHandler represents a handler for DBus reply messages. Inherit
  * from this class and implement the Handle method. The method Callback
  * should be passed to the DBus send function, with the class instance as
  * user-data argument.
  */
-class DBusReplyHandler : public mozilla::RefCounted<DBusReplyHandler>
+class DBusReplyHandler : public mozilla::AtomicRefCounted<DBusReplyHandler>
 {
 public:
   MOZ_DECLARE_REFCOUNTED_TYPENAME(DBusReplyHandler)
   virtual ~DBusReplyHandler() {
   }
 
   /**
    * Implements a call-back function for DBus. The supplied value for