diff --git a/drivers/staging/lustre/lustre/obdclass/linux/linux-sysctl.c b/drivers/staging/lustre/lustre/obdclass/linux/linux-sysctl.c
index bcf005dee36e..aea1abdcf295 100644
--- a/drivers/staging/lustre/lustre/obdclass/linux/linux-sysctl.c
+++ b/drivers/staging/lustre/lustre/obdclass/linux/linux-sysctl.c
@@ -45,6 +45,7 @@
 
 #include "../../include/obd_support.h"
 #include "../../include/lprocfs_status.h"
+#include "../../include/obd_class.h"
 
 struct static_lustre_uintvalue_attr {
 	struct {