diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 3e5e3e5..bec63ce 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -94,14 +94,16 @@
             android:excludeFromRecents="true"
             android:label="@string/title_activity_ringtone"
             android:launchMode="singleTask"
-            android:taskAffinity="com.philliphsu.clock2.RingtoneActivity">
+            android:taskAffinity="com.philliphsu.clock2.RingtoneActivity"
+            android:screenOrientation="nosensor">
         </activity>
         <activity
             android:name=".ringtone.AlarmActivity"
             android:excludeFromRecents="true"
             android:label="@string/title_activity_ringtone"
             android:launchMode="singleTask"
-            android:taskAffinity="com.philliphsu.clock2.RingtoneActivity">
+            android:taskAffinity="com.philliphsu.clock2.RingtoneActivity"
+            android:screenOrientation="nosensor">
         </activity>
 
         <service