diff --git a/src/osmo-bts-oc2g/oc2g_l1_if.c b/src/osmo-bts-oc2g/oc2g_l1_if.c
index f9768ae..a02e962 100644
--- a/src/osmo-bts-oc2g/oc2g_l1_if.c
+++ b/src/osmo-bts-oc2g/oc2g_l1_if.c
@@ -162,8 +162,11 @@
 	case GsmL1_Sapi_Pacch:
 		rc = pcu_rx_rts_req_pdtch(fl1h->trx_no, rts_ind->u8Tn,
 			rts_ind->u32Fn, rts_ind->u8BlockNbr);
+		break;
 	case GsmL1_Sapi_Ptcch:
-		// FIXME
+		rc = pcu_rx_rts_req_ptcch(fl1h->trx_no, rts_ind->u8Tn,
+			rts_ind->u32Fn, rts_ind->u8BlockNbr);
+		break;
 	default:
 		break;
 	}