diff --git a/include/wx/listbase.h b/include/wx/listbase.h
index 078f7361d6..9d4c14329d 100644
--- a/include/wx/listbase.h
+++ b/include/wx/listbase.h
@@ -415,7 +415,7 @@ public:
     //
     // Returns the index of the newly inserted column or -1 on error.
     long AppendColumn(const wxString& heading,
-                      int format = wxLIST_FORMAT_LEFT,
+                      wxListColumnFormat format = wxLIST_FORMAT_LEFT,
                       int width = -1);
 
     // Add a new column to the control at the position "col".
diff --git a/interface/wx/listctrl.h b/interface/wx/listctrl.h
index 9ad91f4590..fabe3715e8 100644
--- a/interface/wx/listctrl.h
+++ b/interface/wx/listctrl.h
@@ -324,7 +324,7 @@ public:
         @since 2.9.4
      */
     long AppendColumn(const wxString& heading,
-                      int format = wxLIST_FORMAT_LEFT,
+                      wxListColumnFormat format = wxLIST_FORMAT_LEFT,
                       int width = -1);
 
     /**
diff --git a/src/common/listctrlcmn.cpp b/src/common/listctrlcmn.cpp
index d78425adf7..6bbb4a13ac 100644
--- a/src/common/listctrlcmn.cpp
+++ b/src/common/listctrlcmn.cpp
@@ -138,7 +138,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxListEvent, wxNotifyEvent)
 
 long
 wxListCtrlBase::AppendColumn(const wxString& heading,
-                             int format,
+                             wxListColumnFormat format,
                              int width)
 {
     return InsertColumn(GetColumnCount(), heading, format, width);