diff --git a/include/wx/unix/apptrait.h b/include/wx/unix/apptrait.h
index c09cfc48de..0161332ce4 100644
--- a/include/wx/unix/apptrait.h
+++ b/include/wx/unix/apptrait.h
@@ -42,7 +42,7 @@ public:
 #endif
 
 #ifdef __DARWIN__
-    #define wxHAS_GUI_SOCKET_MANAGER
+    #define wxHAS_GUI_PROCESS_CALLBACKS
 #endif
 
 class WXDLLIMPEXP_CORE wxGUIAppTraits : public wxGUIAppTraitsBase