diff --git a/core/misc/tableheader.js b/core/misc/tableheader.js
index 448d0b2..6f61e20 100644
--- a/core/misc/tableheader.js
+++ b/core/misc/tableheader.js
@@ -149,7 +149,7 @@
       // Clone the table header so it inherits original jQuery properties.
       var $stickyHeader = this.$originalHeader.clone(true);
       // Hide the table to avoid a flash of the header clone upon page load.
-      this.$stickyTable = $('<table class="sticky-header"/>')
+      this.$stickyTable = $(document.createElement('table'))
         .css({
           visibility: 'hidden',
           position: 'fixed',
@@ -158,6 +158,13 @@
         .append($stickyHeader)
         .insertBefore(this.$originalTable);
 
+      // Copy classes from originalTable, remove undesired classes, and add
+      // sticky-header. Any other classes added to originalTable by modules will
+      // exists in stickyTable to ensure consistent styling.
+      this.$stickyTable.attr('class', this.originalTable.attr('class'));
+      this.$stickyTable.removeClass('sticky-enabled tableheader-processed sticky-table');
+      this.$stickyTable.addClass('sticky-header');
+
       this.$stickyHeaderCells = $stickyHeader.find('> tr > th');
 
       // Initialize all computations.