diff --git a/gui/wxpython/gui_core/mapdisp.py b/gui/wxpython/gui_core/mapdisp.py
index 4070504a94d..e7604acf1f7 100644
--- a/gui/wxpython/gui_core/mapdisp.py
+++ b/gui/wxpython/gui_core/mapdisp.py
@@ -863,3 +863,9 @@ def GetPosition(self):
 
     def SetPosition(self, pt):
         self.GetParent().SetPosition(pt)
+
+    def GetSize(self):
+        return self.GetParent().GetSize()
+
+    def SetSize(self, *args):
+        self.GetParent().SetSize(*args)