diff --git a/src/gprs_ms.h b/src/gprs_ms.h
index 716ad74..92292e3 100644
--- a/src/gprs_ms.h
+++ b/src/gprs_ms.h
@@ -151,6 +151,7 @@
 
 struct gprs_rlcmac_ul_tbf *ms_new_ul_tbf_assigned_pacch(struct GprsMs *ms, int8_t use_trx);
 struct gprs_rlcmac_ul_tbf *ms_new_ul_tbf_assigned_agch(struct GprsMs *ms);
+struct gprs_rlcmac_ul_tbf *ms_new_ul_tbf_rejected_pacch(struct GprsMs *ms, struct gprs_rlcmac_pdch *pdch);
 int ms_new_dl_tbf_assigned_on_pacch(struct GprsMs *ms, struct gprs_rlcmac_tbf *tbf);
 int ms_new_dl_tbf_assigned_on_pch(struct GprsMs *ms);
 int ms_append_llc_dl_data(struct GprsMs *ms, uint16_t pdu_delay_csec, const uint8_t *data, uint16_t len);