diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index e27abda..eb30426 100755
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -135,6 +135,7 @@
 
     <activity android:name="com.android.wallpaper.picker.ViewOnlyPreviewActivity"
          android:resizeableActivity="false"
+         android:screenOrientation="portrait"
          android:theme="@style/WallpaperTheme.Preview">
     </activity>
   </application>