diff --git a/services/spd/tlkd/tlkd_main.c b/services/spd/tlkd/tlkd_main.c
index 481bb69..ecac435 100644
--- a/services/spd/tlkd/tlkd_main.c
+++ b/services/spd/tlkd/tlkd_main.c
@@ -272,6 +272,9 @@
 	case TLK_TA_LAUNCH_OP:
 	case TLK_TA_SEND_EVENT:
 	case TLK_RESUME_FID:
+	case TLK_SET_BL_VERSION:
+	case TLK_LOCK_BL_INTERFACE:
+	case TLK_BL_RPMB_SERVICE:
 
 		if (!ns)
 			SMC_RET1(handle, SMC_UNK);