diff --git a/src/libmsc/ran_msg_a.c b/src/libmsc/ran_msg_a.c
index 2e498a2..ba0990d 100644
--- a/src/libmsc/ran_msg_a.c
+++ b/src/libmsc/ran_msg_a.c
@@ -1068,7 +1068,8 @@
 
 		.speech_version_used = n->speech_version_used,
 
-		.chosen_encryption_algorithm_serving = n->geran.chosen_encryption->alg_id,
+		.chosen_encryption_algorithm_serving =
+			n->geran.chosen_encryption ? n->geran.chosen_encryption->alg_id : 0,
 
 		.old_bss_to_new_bss_info_raw = n->old_bss_to_new_bss_info_raw,
 		.old_bss_to_new_bss_info_raw_len = n->old_bss_to_new_bss_info_raw_len,