diff --git a/src/mac/carbon/dataobj.cpp b/src/mac/carbon/dataobj.cpp
index 4865f6f5ac..33e738e0b9 100644
--- a/src/mac/carbon/dataobj.cpp
+++ b/src/mac/carbon/dataobj.cpp
@@ -30,6 +30,7 @@
 
 #include "wx/log.h"
 #include "wx/dataobj.h"
+#include "wx/dcmemory.h"
 #include "wx/mstream.h"
 #include "wx/image.h"
 #include "wx/metafile.h"