diff --git a/services/spd/trusty/trusty.c b/services/spd/trusty/trusty.c
index 78a68ba..b21ce71 100644
--- a/services/spd/trusty/trusty.c
+++ b/services/spd/trusty/trusty.c
@@ -395,7 +395,7 @@
 DECLARE_RT_SVC(
 	trusty_std,
 
-	OEN_TOS_START,
+	OEN_TAP_START,
 	SMC_ENTITY_SECURE_MONITOR,
 	SMC_TYPE_STD,
 	NULL,