diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index b536b20..f199673 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -1828,7 +1828,7 @@
                   android:excludeFromRecents="true"
                   android:exported="true"
                   android:permission="android.permission.MANAGE_USB"
-                  android:theme="@style/Transparent">
+                  android:theme="@android:style/Theme.Material.Light.Dialog.NoActionBar">
         </activity>
 
         <activity android:name=".bluetooth.RequestPermissionHelperActivity"
diff --git a/src/com/android/settings/deviceinfo/UsbBackend.java b/src/com/android/settings/deviceinfo/UsbBackend.java
index c44f2eb..846d6e3 100644
--- a/src/com/android/settings/deviceinfo/UsbBackend.java
+++ b/src/com/android/settings/deviceinfo/UsbBackend.java
@@ -83,7 +83,7 @@
         } else if (mUsbManager.isFunctionEnabled(UsbManager.USB_FUNCTION_MTP)) {
             return MODE_DATA_MTP;
         } else if (mUsbManager.isFunctionEnabled(UsbManager.USB_FUNCTION_PTP)) {
-            return MODE_DATA_MTP;
+            return MODE_DATA_PTP;
         } else if (mUsbManager.isFunctionEnabled(UsbManager.USB_FUNCTION_MIDI)) {
             return MODE_DATA_MIDI;
         }