diff --git a/wxPython/wx/lib/masked/combobox.py b/wxPython/wx/lib/masked/combobox.py
index 7c08ed4265..c7c97bdc73 100644
--- a/wxPython/wx/lib/masked/combobox.py
+++ b/wxPython/wx/lib/masked/combobox.py
@@ -224,6 +224,10 @@ class BaseMaskedComboBox( wx.ComboBox, MaskedEditMixin ):
         self.SetInsertionPoint(pos)
 
 
+    def IsEmpty(*args, **kw):
+        return MaskedEditMixin.IsEmpty(*args, **kw)
+
+
     def _GetValue(self):
         """
         Allow mixin to get the raw value of the control with this function.
diff --git a/wxPython/wx/lib/masked/textctrl.py b/wxPython/wx/lib/masked/textctrl.py
index 7a2fb42a08..93c1a1c101 100644
--- a/wxPython/wx/lib/masked/textctrl.py
+++ b/wxPython/wx/lib/masked/textctrl.py
@@ -141,6 +141,9 @@ class BaseMaskedTextCtrl( wx.TextCtrl, MaskedEditMixin ):
 ##        wx.TextCtrl.SetInsertionPoint(self, pos)
 
 
+    def IsEmpty(*args, **kw):
+        return MaskedEditMixin.IsEmpty(*args, **kw)
+
     def _GetValue(self):
         """
         Allow mixin to get the raw value of the control with this function.