diff --git a/src/cocoa/app.mm b/src/cocoa/app.mm
index 260c579d2e..08a8e44355 100644
--- a/src/cocoa/app.mm
+++ b/src/cocoa/app.mm
@@ -28,6 +28,8 @@
     #include "wx/log.h"
 #endif
 
+#include "wx/module.h"
+
 #include "wx/cocoa/ObjcPose.h"
 
 #if wxUSE_WX_RESOURCES