diff --git a/mailnews/addrbook/resources/content/abDirTreeOverlay.xul b/mailnews/addrbook/resources/content/abDirTreeOverlay.xul
index 0a38307bbda6..2bf23b55de54 100644
--- a/mailnews/addrbook/resources/content/abDirTreeOverlay.xul
+++ b/mailnews/addrbook/resources/content/abDirTreeOverlay.xul
@@ -46,7 +46,7 @@ Rights Reserved.
 				<treeitem uri="..."
 					IsMailList="rdf:http://home.netscape.com/NC-rdf#IsMailList">
 				  <treerow>
-				    <treecell indent="true" class="treecell-iconic" value="rdf:http://home.netscape.com/NC-rdf#DirName"
+				    <treecell indent="true" class="treecell-indent" value="rdf:http://home.netscape.com/NC-rdf#DirName"
 								     IsMailList="rdf:http://home.netscape.com/NC-rdf#IsMailList"/>
 				  </treerow>
 				</treeitem>