diff --git a/UI/Templates/MailerUI/UIxMailMainFrame.wox b/UI/Templates/MailerUI/UIxMailMainFrame.wox
index 3784a2e86..328dbd00f 100644
--- a/UI/Templates/MailerUI/UIxMailMainFrame.wox
+++ b/UI/Templates/MailerUI/UIxMailMainFrame.wox
@@ -224,7 +224,7 @@
       ><var:foreach list="columnsDisplayOrder" item="currentColumn">
         <th var:class="currentColumn.headerClass" var:id="currentColumn.headerId">
           <var:if condition="currentColumn.value" const:value="Flagged">
-            <img rsrc:src="empty.gif" width="100%" height="100%" const:title="" />
+            <entity name="nbsp"/>
           </var:if>
           <var:if condition="currentColumn.value" const:value="Attachment">
             <img rsrc:src="title_attachment_14x14.png" label:title="$currentColumn.value" width="14"