--- a/mail/base/content/msgHdrViewOverlay.js
+++ b/mail/base/content/msgHdrViewOverlay.js
@@ -815,17 +815,17 @@ function createNewHeaderView(headerName,
   var newHeader = document.createElement("mail-headerfield");
 
   newHeader.setAttribute('id', idName);
   newHeader.setAttribute('label', label);
   newHeader.setAttribute('flex', '1');
   newHeader.collapsed = true;
 
   // this new element needs to be inserted into the view...
-  var topViewNode = document.getElementById('expandedHeaders');
+  var topViewNode = document.getElementById('variousHeadersBox');
 
   topViewNode.appendChild(newHeader);
 
   this.enclosingBox = newHeader;
   this.isValid = false;
   this.useToggle = false;
   this.outputFunction = updateHeaderValue;
 }