diff --git modules/field_ui/field_ui.js modules/field_ui/field_ui.js
index b63399f..829826e 100644
--- modules/field_ui/field_ui.js
+++ modules/field_ui/field_ui.js
@@ -118,7 +118,7 @@ Drupal.fieldUIOverview = {
         data.tableDrag = tableDrag;
 
         // Create the row handler, make it accessible from the DOM row element.
-        var rowHandler = eval('new rowHandlers.' + data.rowHandler + '(row, data);');
+        var rowHandler = new rowHandlers[data.rowHandler](row, data);
         $(row).data('fieldUIRowHandler', rowHandler);
       }
     });