diff --git a/phpBB/styles/prosilver/template/ucp_pm_viewmessage_print.html b/phpBB/styles/prosilver/template/ucp_pm_viewmessage_print.html
index 41ff5b898a..1bad4d5fc9 100644
--- a/phpBB/styles/prosilver/template/ucp_pm_viewmessage_print.html
+++ b/phpBB/styles/prosilver/template/ucp_pm_viewmessage_print.html
@@ -11,7 +11,7 @@
 <link href="{T_THEME_PATH}/bidi.css" rel="stylesheet">
 <!-- EVENT ucp_pm_viewmessage_print_head_append -->
 </head>
-<body id="phpbb">
+<body id="phpbb" class="{S_CONTENT_DIRECTION}">
 <div id="wrap" class="wrap">
 	<a id="top" class="top-anchor" accesskey="t"></a>
 
