diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 383b77752..dedd6c5fe 100755
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -81,7 +81,7 @@
         android:icon="@mipmap/ic_launcher_mail"
         android:label="@string/app_name"
         android:requiredAccountType="com.android.exchange,com.android.email.imap,com.android.email.pop3,com.android.email.legacy.imap"
-        android:theme="@style/UnifiedEmailTheme"
+        android:theme="@style/UnifiedEmailTheme.Appcompat"
         android:hardwareAccelerated="true"
         android:allowBackup="false"
         android:supportsRtl="true"
@@ -361,7 +361,7 @@
         <activity
                 android:name="com.android.mail.browse.EmlViewerActivity"
                 android:label="@string/app_name"
-                android:theme="@style/UnifiedEmailTheme" >
+                android:theme="@style/UnifiedEmailTheme.Appcompat" >
             <intent-filter>
                 <action android:name="android.intent.action.VIEW" />
                 <category android:name="android.intent.category.DEFAULT" />