diff --git a/headers/build/private/storage/mime/MimeUpdateThread.h b/headers/build/private/storage/mime/MimeUpdateThread.h
index df9c33a734..1d633df5f3 100644
--- a/headers/build/private/storage/mime/MimeUpdateThread.h
+++ b/headers/build/private/storage/mime/MimeUpdateThread.h
@@ -11,6 +11,7 @@
 #define _MIME_UPDATE_THREAD_H
 
 #include <Entry.h>
+#include <Messenger.h>
 //#include <RegistrarThread.h>
 #include <SupportDefs.h>