diff --git a/fs/afs/callback.c b/fs/afs/callback.c
index 2fd62f89ae01..9cb206e9d4be 100644
--- a/fs/afs/callback.c
+++ b/fs/afs/callback.c
@@ -19,6 +19,7 @@
 #include "server.h"
 #include "vnode.h"
 #include "internal.h"
+#include "cmservice.h"
 
 /*****************************************************************************/
 /*