diff --git a/include/osmocom/msc/msc_a.h b/include/osmocom/msc/msc_a.h
index f94420a..fd0aa08 100644
--- a/include/osmocom/msc/msc_a.h
+++ b/include/osmocom/msc/msc_a.h
@@ -180,7 +180,7 @@
 void msc_a_pending_cm_service_req_add(struct msc_a *msc_a, enum osmo_cm_service_type type);
 unsigned int msc_a_pending_cm_service_req_count(struct msc_a *msc_a, enum osmo_cm_service_type type);
 void msc_a_pending_cm_service_req_del(struct msc_a *msc_a, enum osmo_cm_service_type type);
-bool msc_a_require_ciphering(const struct msc_a *msc_a);
+bool msc_a_is_ciphering_to_be_attempted(const struct msc_a *msc_a);
 
 #define msc_a_ran_down(A,B,C) \
 	_msc_a_ran_down(A,B,C, __FILE__, __LINE__)
diff --git a/include/osmocom/msc/vlr.h b/include/osmocom/msc/vlr.h
index d23661d..d3a1e92 100644
--- a/include/osmocom/msc/vlr.h
+++ b/include/osmocom/msc/vlr.h
@@ -299,7 +299,7 @@
 	       const struct osmo_location_area_id *old_lai,
 	       const struct osmo_location_area_id *new_lai,
 	       bool authentication_required,
-	       bool ciphering_required,
+	       bool is_ciphering_to_be_attempted,
 	       uint8_t key_seq,
 	       bool is_r99, bool is_utran,
 	       bool assign_tmsi);
@@ -463,7 +463,7 @@
 		 const struct osmo_mobile_identity *mi,
 		 const struct osmo_location_area_id *lai,
 		 bool authentication_required,
-		 bool ciphering_required,
+		 bool is_ciphering_to_be_attempted,
 		 uint8_t key_seq,
 		 bool is_r99, bool is_utran);