diff --git a/mailnews/base/resources/content/threadPane.xul b/mailnews/base/resources/content/threadPane.xul
index 086ce187293a..c364b8f26b8e 100644
--- a/mailnews/base/resources/content/threadPane.xul
+++ b/mailnews/base/resources/content/threadPane.xul
@@ -51,7 +51,7 @@ Rights Reserved.
         <treeitem uri="...">
 
               <treerow class="tree-thread-row" IsUnread="rdf:http://home.netscape.com/NC-rdf#IsUnread">
-                <treecell value="rdf:http://home.netscape.com/NC-rdf#Thread"/>
+                <treecell class="treecell-text" value="rdf:http://home.netscape.com/NC-rdf#Thread"/>
                 <treecell class="treecell-indent tree-cell-threadpane-icon"
                   indent="true"
                   value="rdf:http://home.netscape.com/NC-rdf#Subject"
@@ -59,22 +59,22 @@ Rights Reserved.
                   HasAttachment="rdf:http://home.netscape.com/NC-rdf#HasAttachment"
                   IsImapDeleted="rdf:http://home.netscape.com/NC-rdf#IsImapDeleted"
                   MessageType="rdf:http://home.netscape.com/NC-rdf#MessageType"/>
-            	<treecell value="rdf:http://home.netscape.com/NC-rdf#Sender" id ="SenderColumnTemplate"/>
+            	<treecell class="treecell-text" value="rdf:http://home.netscape.com/NC-rdf#Sender" id ="SenderColumnTemplate"/>
 				<treecell class="treecell-image unreadcol" 
                   onclick="return top.ToggleMessageRead(event.target.parentNode.parentNode)"
                   value="rdf:http://home.netscape.com/NC-rdf#IsUnread"/>
-				<treecell value="rdf:http://home.netscape.com/NC-rdf#Date"/>
+				<treecell class="treecell-text" value="rdf:http://home.netscape.com/NC-rdf#Date"/>
 				<treecell class="tree-cell-image prioritycol" 
   		            Priority="rdf:http://home.netscape.com/NC-rdf#Priority"
                   value="rdf:http://home.netscape.com/NC-rdf#PriorityString"/>
 				<treecell class="flagcol treecell-image" 
                   onclick="return top.ToggleMessageFlagged(event.target.parentNode.parentNode)"
                   value="rdf:http://home.netscape.com/NC-rdf#Flagged" />
-				<treecell value="rdf:http://home.netscape.com/NC-rdf#StatusString"/>
+				<treecell class="treecell-text" value="rdf:http://home.netscape.com/NC-rdf#StatusString"/>
 				<treecell class="treecell-align-right" value="rdf:http://home.netscape.com/NC-rdf#Size"/>
 				<treecell class="treecell-align-right" value="rdf:http://home.netscape.com/NC-rdf#TotalUnreadMessages"/>
 				<treecell class="treecell-align-right" value="rdf:http://home.netscape.com/NC-rdf#TotalMessages"/>
-				<treecell value="rdf:http://home.netscape.com/NC-rdf#OrderReceived"/>
+				<treecell class="treecell-text" value="rdf:http://home.netscape.com/NC-rdf#OrderReceived"/>
 				<treecell/>
 	  		</treerow>
 		</treeitem>