diff --git a/include/wx/generic/listctrl.h b/include/wx/generic/listctrl.h
index d377082e7b..a7b8a1b872 100644
--- a/include/wx/generic/listctrl.h
+++ b/include/wx/generic/listctrl.h
@@ -86,7 +86,7 @@ public:
     bool GetSubItemRect( long item, long subItem, wxRect& rect, int code = wxLIST_RECT_BOUNDS ) const;
     bool GetItemPosition( long item, wxPoint& pos ) const;
     bool SetItemPosition( long item, const wxPoint& pos ); // not supported in wxGLC
-    int GetItemCount() const;
+    int GetItemCount() const wxOVERRIDE;
     int GetColumnCount() const wxOVERRIDE;
     void SetItemSpacing( int spacing, bool isSmall = false );
     wxSize GetItemSpacing() const;
diff --git a/include/wx/listbase.h b/include/wx/listbase.h
index 8c493bc935..ca2ead8fce 100644
--- a/include/wx/listbase.h
+++ b/include/wx/listbase.h
@@ -378,6 +378,9 @@ public:
     virtual bool DeleteColumn(int col) = 0;
     virtual bool DeleteAllColumns() = 0;
 
+    // Return the current number of items.
+    virtual int GetItemCount() const = 0;
+
     // Return the current number of columns.
     virtual int GetColumnCount() const = 0;
 
diff --git a/include/wx/msw/listctrl.h b/include/wx/msw/listctrl.h
index f35585d58f..59794184af 100644
--- a/include/wx/msw/listctrl.h
+++ b/include/wx/msw/listctrl.h
@@ -199,7 +199,7 @@ public:
     bool SetItemPosition(long item, const wxPoint& pos);
 
     // Gets the number of items in the list control
-    int GetItemCount() const;
+    int GetItemCount() const wxOVERRIDE;
 
     // Gets the number of columns in the list control
     int GetColumnCount() const wxOVERRIDE { return m_colCount; }
diff --git a/include/wx/qt/listctrl.h b/include/wx/qt/listctrl.h
index 7582d8be43..23a672dbf7 100644
--- a/include/wx/qt/listctrl.h
+++ b/include/wx/qt/listctrl.h
@@ -127,7 +127,7 @@ public:
     bool SetItemPosition(long item, const wxPoint& pos);
 
     // Gets the number of items in the list control
-    int GetItemCount() const;
+    int GetItemCount() const wxOVERRIDE;
 
     // Gets the number of columns in the list control
     int GetColumnCount() const wxOVERRIDE;