diff --git a/drivers/staging/lustre/lustre/ptlrpc/errno.c b/drivers/staging/lustre/lustre/ptlrpc/errno.c
index c587fc86fcda..e44315047c2e 100644
--- a/drivers/staging/lustre/lustre/ptlrpc/errno.c
+++ b/drivers/staging/lustre/lustre/ptlrpc/errno.c
@@ -26,6 +26,7 @@
  * Copyright (c) 2013, Intel Corporation.
  */
 
+#include <linux/errno.h>
 #include <lustre_errno.h>
 
 /*