diff --git a/src/mac/carbon/evtloop.cpp b/src/mac/carbon/evtloop.cpp
index 7c2b0babeb..ab9e51700d 100644
--- a/src/mac/carbon/evtloop.cpp
+++ b/src/mac/carbon/evtloop.cpp
@@ -25,6 +25,7 @@
 #endif
 
 #include "wx/evtloop.h"
+#include "wx/app.h"
 
 #include <Carbon/Carbon.h>