diff --git a/tests/cts/tethering/src/android/tethering/cts/TetheringManagerTest.java b/tests/cts/tethering/src/android/tethering/cts/TetheringManagerTest.java
index 98dbe52..4d72eae 100644
--- a/tests/cts/tethering/src/android/tethering/cts/TetheringManagerTest.java
+++ b/tests/cts/tethering/src/android/tethering/cts/TetheringManagerTest.java
@@ -180,15 +180,15 @@
         }
     }
 
-    private class StartTetheringCallback extends TetheringManager.StartTetheringCallback {
+    private class StartTetheringCallback implements TetheringManager.StartTetheringCallback {
         @Override
         public void onTetheringStarted() {
             // Do nothing, TetherChangeReceiver will wait until it receives the broadcast.
         }
 
         @Override
-        public void onTetheringFailed(final int resultCode) {
-            fail("startTethering fail: " + resultCode);
+        public void onTetheringFailed(final int error) {
+            fail("startTethering fail: " + error);
         }
     }