diff --git a/include/wx/mac/carbon/private.h b/include/wx/mac/carbon/private.h
index 3f20c40076..e062779fc9 100644
--- a/include/wx/mac/carbon/private.h
+++ b/include/wx/mac/carbon/private.h
@@ -828,7 +828,7 @@ private :
 
 ControlRef wxMacFindControlUnderMouse( wxTopLevelWindowMac* toplevelWindow, const Point& location , WindowRef window , ControlPartCode *outPart ) ;
 
-#if WORDS_BIGENDIAN
+#ifdef WORDS_BIGENDIAN
     inline Rect* wxMacGetPictureBounds( PicHandle pict , Rect* rect ) 
     { 
        *rect = (**pict).picFrame ;