diff --git a/packages/CarrierDefaultApp/AndroidManifest.xml b/packages/CarrierDefaultApp/AndroidManifest.xml
index 4473610f647a6..3e65df23fb2b0 100644
--- a/packages/CarrierDefaultApp/AndroidManifest.xml
+++ b/packages/CarrierDefaultApp/AndroidManifest.xml
@@ -48,6 +48,7 @@
             android:name="com.android.carrierdefaultapp.CaptivePortalLoginActivity"
             android:label="@string/action_bar_label"
             android:exported="true"
+            android:permission="android.permission.MODIFY_PHONE_STATE"
             android:theme="@style/AppTheme"
             android:configChanges="keyboardHidden|orientation|screenSize">
             <intent-filter>