diff --git a/wxPython/src/_listctrl.i b/wxPython/src/_listctrl.i
index 48a9f0ac31..861e103621 100644
--- a/wxPython/src/_listctrl.i
+++ b/wxPython/src/_listctrl.i
@@ -717,7 +717,7 @@ details in the second return value (see wx.LIST_HITTEST flags.)", "");
 
     def IsSelected(self, idx):
         '''return True if the item is selected'''
-        return self.GetItemState(idx, wx.LIST_STATE_SELECTED) != 0
+        return (self.GetItemState(idx, wx.LIST_STATE_SELECTED) & wx.LIST_STATE_SELECTED) != 0
 
     def SetColumnImage(self, col, image):
         item = self.GetColumn(col)