diff --git a/src/tests/test-hnbap.c b/src/tests/test-hnbap.c
index 0005fe1..5101ff4 100644
--- a/src/tests/test-hnbap.c
+++ b/src/tests/test-hnbap.c
@@ -134,7 +134,7 @@
 	ASSERT(rc >= 0);
 
 	ASSERT(ue_req_ies.uE_Identity.present == UE_Identity_PR_iMSI);
-	decode_iu_bcd(imsi, sizeof(imsi), ue_req_ies.uE_Identity.choice.iMSI.buf,
+	ranap_bcd_decode(imsi, sizeof(imsi), ue_req_ies.uE_Identity.choice.iMSI.buf,
 			ue_req_ies.uE_Identity.choice.iMSI.size);
 
 	printf("HNBAP UE Register request from IMSI %s\n", imsi);
@@ -154,7 +154,7 @@
 	ASSERT(rc >= 0);
 
 	ASSERT(ue_acc_ies.uE_Identity.present == UE_Identity_PR_iMSI);
-	decode_iu_bcd(imsi, sizeof(imsi), ue_acc_ies.uE_Identity.choice.iMSI.buf,
+	ranap_bcd_decode(imsi, sizeof(imsi), ue_acc_ies.uE_Identity.choice.iMSI.buf,
 			ue_acc_ies.uE_Identity.choice.iMSI.size);
 
 	printf("HNBAP UE Register accept to IMSI %s\n", imsi);