diff --git a/wxPython/src/gtk/_controls.py b/wxPython/src/gtk/_controls.py
index 8a966db284..8e84e2809b 100644
--- a/wxPython/src/gtk/_controls.py
+++ b/wxPython/src/gtk/_controls.py
@@ -4822,7 +4822,7 @@ class ListCtrl(_core.Control):
 
     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)
diff --git a/wxPython/src/mac/_controls.py b/wxPython/src/mac/_controls.py
index 0263983d14..20ad8a4c30 100644
--- a/wxPython/src/mac/_controls.py
+++ b/wxPython/src/mac/_controls.py
@@ -4809,7 +4809,7 @@ class ListCtrl(_core.Control):
 
     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)
diff --git a/wxPython/src/msw/_controls.py b/wxPython/src/msw/_controls.py
index 8ec9af9c3e..caabd82c1c 100644
--- a/wxPython/src/msw/_controls.py
+++ b/wxPython/src/msw/_controls.py
@@ -4834,7 +4834,7 @@ class ListCtrl(_core.Control):
 
     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)