diff --git a/canutils/libobd2/obd_sendrequest.c b/canutils/libobd2/obd_sendrequest.c
index c1ec8ed7d..2fb4c7d57 100644
--- a/canutils/libobd2/obd_sendrequest.c
+++ b/canutils/libobd2/obd_sendrequest.c
@@ -96,7 +96,7 @@ int obd_send_request(FAR struct obd_dev_s *dev, uint8_t opmode, uint8_t pid)
 #ifdef CONFIG_CAN_EXTID
   dev->can_txmsg.cm_hdr.ch_extid  = extended;            /* Standard/Extend mode   */
 #endif
-  dev->can_txmsg.cm_hdr.ch_unused = 0;                   /* Unused                 */
+  dev->can_txmsg.cm_hdr.ch_tcf = 0;                   /* Unused                 */
 
   /* Single Frame with two bytes data */