diff --git a/keymaster/3.0/default/android.hardware.keymaster@3.0-service.rc b/keymaster/3.0/default/android.hardware.keymaster@3.0-service.rc
index ea8d490..dffaca5 100644
--- a/keymaster/3.0/default/android.hardware.keymaster@3.0-service.rc
+++ b/keymaster/3.0/default/android.hardware.keymaster@3.0-service.rc
@@ -1,4 +1,5 @@
 service vendor.keymaster-3-0 /vendor/bin/hw/android.hardware.keymaster@3.0-service
+    interface android.hardware.keymaster@3.0::IKeymasterDevice default
     class early_hal
     user nobody
     group drmrpc
diff --git a/keymaster/4.0/default/android.hardware.keymaster@4.0-service.rc b/keymaster/4.0/default/android.hardware.keymaster@4.0-service.rc
index 2ce439e..2adfd88 100644
--- a/keymaster/4.0/default/android.hardware.keymaster@4.0-service.rc
+++ b/keymaster/4.0/default/android.hardware.keymaster@4.0-service.rc
@@ -1,4 +1,5 @@
 service vendor.keymaster-4-0 /vendor/bin/hw/android.hardware.keymaster@4.0-service
+    interface android.hardware.keymaster@4.0::IKeymasterDevice default
     class early_hal
     user system
     group system drmrpc