diff --git a/sdm660-common/Android.bp b/sdm660-common/Android.bp
index d751fe5..560f448 100644
--- a/sdm660-common/Android.bp
+++ b/sdm660-common/Android.bp
@@ -104,7 +104,7 @@ android_app_import {
 	name: "TimeService",
 	owner: "asus",
 	apk: "proprietary/vendor/app/TimeService/TimeService.apk",
-	certificate: "platform",
+	certificate: ":timeservice_app_cert-legacy-um",
 	dex_preopt: {
 		enabled: false,
 	},