diff --git a/include/wx/cocoa/button.h b/include/wx/cocoa/button.h
index a33f669a1c..b0ecb12f7a 100644
--- a/include/wx/cocoa/button.h
+++ b/include/wx/cocoa/button.h
@@ -37,14 +37,14 @@ public:
         Create(parent, winid, label, pos, size, style, validator, name);
     }
     
-    wxButton(wxWindow *parent, wxWindowID id, wxStockItemID stock,
+    wxButton(wxWindow *parent, wxWindowID winid, wxStockItemID stock,
            const wxString& descriptiveLabel = wxEmptyString,
            const wxPoint& pos = wxDefaultPosition,
            long style = 0,
            const wxValidator& validator = wxDefaultValidator,
            const wxString& name = wxButtonNameStr)
     {
-        Create(parent, id, stock, descriptiveLabel, pos, style, validator, name);
+        Create(parent, winid, stock, descriptiveLabel, pos, style, validator, name);
     }
 
     bool Create(wxWindow *parent, wxWindowID winid,
@@ -54,14 +54,14 @@ public:
             const wxValidator& validator = wxDefaultValidator,
             const wxString& name = wxButtonNameStr);
     
-    bool Create(wxWindow *parent, wxWindowID id, wxStockItemID stock,
+    bool Create(wxWindow *parent, wxWindowID winid, wxStockItemID stock,
            const wxString& descriptiveLabel = wxEmptyString,
            const wxPoint& pos = wxDefaultPosition,
            long style = 0,
            const wxValidator& validator = wxDefaultValidator,
            const wxString& name = wxButtonNameStr)
     {
-        return CreateStock(parent, id, stock, descriptiveLabel,
+        return CreateStock(parent, winid, stock, descriptiveLabel,
                            pos, style, validator, name);
     }