diff --git a/samples/SupportDesignDemos/AndroidManifest.xml b/samples/SupportDesignDemos/AndroidManifest.xml
index e1ecdf3ba..a837458da 100644
--- a/samples/SupportDesignDemos/AndroidManifest.xml
+++ b/samples/SupportDesignDemos/AndroidManifest.xml
@@ -26,7 +26,8 @@
 
     <application android:label="@string/activity_sample_code"
             android:supportsRtl="true"
-            android:icon="@drawable/app_sample_code">
+            android:icon="@drawable/app_sample_code"
+            android:theme="@style/Theme.FAB">
 
         <activity android:name="SupportDesignDemos">
             <intent-filter>