diff --git a/mozilla/security/manager/pki/resources/content/certDump.xul b/mozilla/security/manager/pki/resources/content/certDump.xul
index ad6bde658f4..908446cfb51 100644
--- a/mozilla/security/manager/pki/resources/content/certDump.xul
+++ b/mozilla/security/manager/pki/resources/content/certDump.xul
@@ -32,21 +32,20 @@
          xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
 <box class="box-padded" id="certPrettyPrint" orient="vertical" flex="1">
   <text class="header" value="&certmgr.hierarchy.label;"/>
-  <tree class="inset" id="treesetDump" debug="false" flex="1"
-        style="overflow:auto; max-height: 80px;" onselect="updateCertDump();">
-    <treecolgroup flex="1">
+  <tree class="inset" id="treesetDump" debug="false" rows="4"
+        onselect="updateCertDump();">
+    <treecols>
       <treecol flex="1"/>
-    </treecolgroup>
-    <treechildren id="chainDump" flex="1" />
+    </treecols>
+    <treechildren id="chainDump"/>
   </tree>
-  <outliner class="inset" height="50" id="prettyDumpOutliner" flex="1">
+  <outliner class="inset" id="prettyDumpOutliner" style="height:100px">
     <outlinercol flex ="1" id="certDataCol" label="&certmgr.details.label;"
       ignoreincolumnpicker="true" class="header outlinercol-header" primary="true"/>
-    <splitter />
     <outlinerbody flex="1" onselect="displaySelected();" />
   </outliner>
   <text class="header" value="&certmgr.fields.label;" />
   <tree class="inset" id="certDumpVal" debug="false" clip="never"
-        style="overflow:auto;"/>
+        rows="6" style="height:100px"/>
 </box>
 </overlay>