diff --git a/src/aui/auibook.cpp b/src/aui/auibook.cpp
index 9bfe2a7589..12afa3a9b6 100644
--- a/src/aui/auibook.cpp
+++ b/src/aui/auibook.cpp
@@ -26,6 +26,7 @@
     #include "wx/settings.h"
     #include "wx/dcclient.h"
     #include "wx/dcmemory.h"
+    #include "wx/frame.h"
 #endif
 
 #include "wx/aui/tabmdi.h"