diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index e6d813b536f423e427520d53a5ada89565fee189..f9bd3d88073c427a2af2a05e3a49a891942469b7 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -94,6 +94,7 @@ as that of the covered work.
             android:name="org.sflphone.client.CallActivity"
             android:label="@string/app_name"
             android:screenOrientation="portrait"
+            android:theme="@style/AppThemeWithoutOverlay"
             android:windowSoftInputMode="adjustPan" >
             <intent-filter>
                 <action android:name="android.intent.action.CALL_PRIVILEGED" />
@@ -125,7 +126,8 @@ as that of the covered work.
 
         <activity
             android:name="org.sflphone.client.ActivityHolder"
-            android:label="@string/title_activity_sflphone_home" >
+            android:label="@string/title_activity_sflphone_home"
+            android:theme="@style/AppThemeWithoutOverlay" >
         </activity>
     </application>