diff --git a/cas/1.1/default/android.hardware.cas@1.1-service-lazy.rc b/cas/1.1/default/android.hardware.cas@1.1-service-lazy.rc
index 9227b6f..73c505d 100644
--- a/cas/1.1/default/android.hardware.cas@1.1-service-lazy.rc
+++ b/cas/1.1/default/android.hardware.cas@1.1-service-lazy.rc
@@ -1,4 +1,5 @@
 service vendor.cas-hal-1-1 /vendor/bin/hw/android.hardware.cas@1.1-service-lazy
+    interface android.hardware.cas@1.0::IMediaCasService default
     interface android.hardware.cas@1.1::IMediaCasService default
     oneshot
     disabled