diff --git a/10-bitClockWidget/app/src/main/AndroidManifest.xml b/10-bitClockWidget/app/src/main/AndroidManifest.xml
index 0849595..899f0ac 100644
--- a/10-bitClockWidget/app/src/main/AndroidManifest.xml
+++ b/10-bitClockWidget/app/src/main/AndroidManifest.xml
@@ -54,6 +54,7 @@
 
     <activity
       android:name=".ClockWidgetPreferenceActivity"
+      android:configChanges="orientation|screenSize"
       android:theme="@style/PreferenceTheme">
       <intent-filter>
         <action android:name="android.intent.action.MAIN" />