diff --git a/drivers/staging/wilc1000/host_interface.c b/drivers/staging/wilc1000/host_interface.c
index 9b084ebafccd..4f39f94f48f1 100644
--- a/drivers/staging/wilc1000/host_interface.c
+++ b/drivers/staging/wilc1000/host_interface.c
@@ -255,7 +255,7 @@ static u8 get_ip[2][4];
 static u32 inactive_time;
 static u8 del_beacon;
 
-u8 *join_req;
+static u8 *join_req;
 u8 *gu8FlushedInfoElemAsoc;
 u8 gu8Flushed11iMode;
 u8 gu8FlushedAuthType;