diff --git a/include/osmocom/gsm/protocol/gsm_04_08.h b/include/osmocom/gsm/protocol/gsm_04_08.h
index 767aa3d8b..c05b62ede 100644
--- a/include/osmocom/gsm/protocol/gsm_04_08.h
+++ b/include/osmocom/gsm/protocol/gsm_04_08.h
@@ -1456,6 +1456,8 @@ enum chreq_type {
 	CHREQ_T_PAG_R_TCH_F,
 	CHREQ_T_PAG_R_TCH_FH,
 	CHREQ_T_LMU,
+	CHREQ_T_PDCH_ONE_PHASE,
+	CHREQ_T_PDCH_TWO_PHASE,
 	CHREQ_T_RESERVED_SDCCH,
 	CHREQ_T_RESERVED_IGNORE,
 };