diff --git a/src/gprs_rlcmac.h b/src/gprs_rlcmac.h
index 5ce503b5..192f279e 100644
--- a/src/gprs_rlcmac.h
+++ b/src/gprs_rlcmac.h
@@ -188,7 +188,7 @@ int gprs_rlcmac_poll_timeout(struct gprs_rlcmac_bts *bts, struct gprs_rlcmac_tbf
 
 int gprs_rlcmac_sba_timeout(struct gprs_rlcmac_sba *sba);
 
-int gprs_rlcmac_rcv_rach(uint8_t ra, uint32_t Fn, int16_t qta);
+int gprs_rlcmac_rcv_rach(struct gprs_rlcmac_bts *bts, uint8_t ra, uint32_t Fn, int16_t qta);
 
 int gprs_rlcmac_rcv_control_block(bitvec *rlc_block, uint8_t trx, uint8_t ts,
 	uint32_t fn);
diff --git a/src/gprs_rlcmac_data.cpp b/src/gprs_rlcmac_data.cpp
index ff811c6e..b95bf2d4 100644
--- a/src/gprs_rlcmac_data.cpp
+++ b/src/gprs_rlcmac_data.cpp
@@ -1027,9 +1027,9 @@ struct msgb *gprs_rlcmac_send_packet_uplink_assignment(
 	return msg;
 }
 
-int gprs_rlcmac_rcv_rach(uint8_t ra, uint32_t Fn, int16_t qta)
+int gprs_rlcmac_rcv_rach(struct gprs_rlcmac_bts *bts,
+		uint8_t ra, uint32_t Fn, int16_t qta)
 {
-	struct gprs_rlcmac_bts *bts = gprs_rlcmac_bts;
 	struct gprs_rlcmac_tbf *tbf;
 	uint8_t trx, ts = 0;
 	int8_t tfi; /* must be signed */
diff --git a/src/pcu_l1_if.cpp b/src/pcu_l1_if.cpp
index d4058e76..add1f4fa 100644
--- a/src/pcu_l1_if.cpp
+++ b/src/pcu_l1_if.cpp
@@ -292,7 +292,8 @@ static int pcu_rx_rach_ind(struct gsm_pcu_if_rach_ind *rach_ind)
 
 	switch (rach_ind->sapi) {
 	case PCU_IF_SAPI_RACH:
-		rc = gprs_rlcmac_rcv_rach(rach_ind->ra, rach_ind->fn,
+		rc = gprs_rlcmac_rcv_rach(gprs_rlcmac_bts,
+			rach_ind->ra, rach_ind->fn,
 			rach_ind->qta);
 		break;
 	default: