diff --git a/gui/wxpython/gui_core/mapdisp.py b/gui/wxpython/gui_core/mapdisp.py
index 31f6fd8cd9d..cb8eb4f5325 100644
--- a/gui/wxpython/gui_core/mapdisp.py
+++ b/gui/wxpython/gui_core/mapdisp.py
@@ -869,3 +869,6 @@ def GetSize(self):
 
     def SetSize(self, *args):
         self.GetParent().SetSize(*args)
+
+    def Close(self):
+        self.GetParent().Close()