diff --git a/include/wx/osx/cocoa/dataview.h b/include/wx/osx/cocoa/dataview.h
index ffe1ac2e5d..58d9495f6e 100644
--- a/include/wx/osx/cocoa/dataview.h
+++ b/include/wx/osx/cocoa/dataview.h
@@ -118,19 +118,19 @@ class wxDataViewRendererNativeData
 {
 public:
     wxDataViewRendererNativeData()
-        : m_Object(NULL), m_ColumnCell(NULL)
+        : m_Object(NULL), m_ColumnCell(NULL), m_ItemCell(NULL)
     {
         Init();
     }
 
     wxDataViewRendererNativeData(NSCell* initColumnCell)
-        : m_Object(NULL), m_ColumnCell([initColumnCell retain])
+        : m_Object(NULL), m_ColumnCell([initColumnCell retain]), m_ItemCell(NULL)
     {
         Init();
     }
 
     wxDataViewRendererNativeData(NSCell* initColumnCell, id initObject)
-        : m_Object([initObject retain]), m_ColumnCell([initColumnCell retain])
+        : m_Object([initObject retain]), m_ColumnCell([initColumnCell retain]), m_ItemCell(NULL)
     {
         Init();
     }