diff --git a/include/wx/cocoa/region.h b/include/wx/cocoa/region.h
index 93f94719f3..3ecf89882f 100644
--- a/include/wx/cocoa/region.h
+++ b/include/wx/cocoa/region.h
@@ -40,7 +40,7 @@ class WXDLLEXPORT wxRegion : public wxGDIObject {
 DECLARE_DYNAMIC_CLASS(wxRegion);
 	friend class WXDLLEXPORT wxRegionIterator;
 public:
-    wxRegion(long x, long y, long w, long h);
+    wxRegion(wxCoord x, wxCoord y, wxCoord w, wxCoord h);
     wxRegion(const wxPoint& topLeft, const wxPoint& bottomRight);
     wxRegion(const wxRect& rect);
     wxRegion();
diff --git a/src/cocoa/region.cpp b/src/cocoa/region.cpp
index 260565f5fe..202b1dc76b 100644
--- a/src/cocoa/region.cpp
+++ b/src/cocoa/region.cpp
@@ -96,6 +96,14 @@ wxRegion::wxRegion()
 {
 }
 
+wxRegion::wxRegion(wxCoord x, wxCoord y, wxCoord w, wxCoord h)
+{
+}
+
+wxRegion::wxRegion(const wxPoint& topLeft, const wxPoint& bottomRight)
+{
+}
+
 wxRegionIterator::wxRegionIterator()
 {
 }