diff --git a/src/mac/carbon/bitmap.cpp b/src/mac/carbon/bitmap.cpp
index 89a0e4998c..f27549a11a 100644
--- a/src/mac/carbon/bitmap.cpp
+++ b/src/mac/carbon/bitmap.cpp
@@ -36,6 +36,8 @@ IMPLEMENT_DYNAMIC_CLASS(wxBitmapHandler, wxObject )
 
 #include "wx/mac/uma.h"
 
+#include "wx/dcmemory.h"
+
 // Implementation Notes
 // -------------------- 
 //