diff --git a/openbsc/src/token_auth.c b/openbsc/src/token_auth.c
index 7fefea5..2608c66 100644
--- a/openbsc/src/token_auth.c
+++ b/openbsc/src/token_auth.c
@@ -103,8 +103,8 @@
 			if (lchan) {
 				u_int8_t auth_rand[16];
 				/* kick the subscriber off the network */
-				gsm48_tx_mm_auth_req(lchan, auth_rand, 0);
-				gsm48_tx_mm_auth_rej(lchan);
+				gsm48_tx_mm_auth_req(&lchan->conn, auth_rand, 0);
+				gsm48_tx_mm_auth_rej(&lchan->conn);
 				/* FIXME: close the channel early ?*/
 				//gsm48_send_rr_Release(lchan);
 			}
@@ -139,8 +139,8 @@
 	lchan = lchan_for_subscr(sms->receiver);
 	if (lchan) {
 		/* kick the subscriber off the network */
-		gsm48_tx_mm_auth_req(lchan, auth_rand, 0);
-		gsm48_tx_mm_auth_rej(lchan);
+		gsm48_tx_mm_auth_req(&lchan->conn, auth_rand, 0);
+		gsm48_tx_mm_auth_rej(&lchan->conn);
 		/* FIXME: close the channel early ?*/
 		//gsm48_send_rr_Release(lchan);
 	}