diff --git a/wxPython/wxPython/lib/popupctl.py b/wxPython/wxPython/lib/popupctl.py
index 466e06f77d..c7609edd1b 100644
--- a/wxPython/wxPython/lib/popupctl.py
+++ b/wxPython/wxPython/lib/popupctl.py
@@ -140,7 +140,7 @@ class PopButton(wxPyControl):
 # Tried to use wxPopupWindow but the control misbehaves on MSW
 class wxPopupDialog(wxDialog):
     def __init__(self,parent,content = None):
-        wxDialog.__init__(self,parent,-1,'', style = wxSTAY_ON_TOP)
+        wxDialog.__init__(self,parent,-1,'', style = wxBORDER_SIMPLE|wxSTAY_ON_TOP)
 
         self.ctrl = parent
         self.win = wxWindow(self,-1,pos = wxPoint(0,0),style = 0)