-        button = wxBitmapButton(self, id, image, size=self.TOOL_SIZE,
-                                style=wxBU_AUTODRAW|wxNO_BORDER|wxWANTS_CHARS)
+        from wxPython.lib import buttons
+        button = buttons.wxGenBitmapButton(self, id, image, size=self.TOOL_SIZE,
+                                           style=wxNO_BORDER|wxWANTS_CHARS)
+        button.SetBezelWidth(0)