diff --git a/realm/realm_payload_main.c b/realm/realm_payload_main.c
index d364aa0..4052ba3 100644
--- a/realm/realm_payload_main.c
+++ b/realm/realm_payload_main.c
@@ -494,6 +494,9 @@
 		case REALM_ATTESTATION_FAULT:
 			test_succeed = test_realm_attestation_fault();
 			break;
+		case REALM_WRITE_BRBCR_EL1:
+			test_succeed = test_realm_write_brbcr_el1_reg();
+			break;
 		default:
 			realm_printf("%s() invalid cmd %u\n", __func__, cmd);
 			break;