diff --git a/misc/tableheader.js b/misc/tableheader.js
index 47201b2691..23a1f4cbcc 100644
--- a/misc/tableheader.js
+++ b/misc/tableheader.js
@@ -78,9 +78,20 @@ Drupal.tableHeader = function (table) {
 Drupal.tableHeader.prototype.eventhandlerRecalculateStickyHeader = function (event) {
   var self = this;
   var calculateWidth = event.data && event.data.calculateWidth;
+  var callHeaderOffsetFunction = function(accessor) {
+    accessor = accessor.split('.');
+    var callback = window;
+    for (var i = 0, len = accessor.length - 1; i < len; i++) {
+      callback = callback[accessor[i]];
+    }
+    if (typeof callback[accessor[accessor.length - 1]] === "function") {
+      return callback[accessor[accessor.length - 1]]();
+    }
+    return 0;
+  };

   // Reset top position of sticky table headers to the current top offset.
-  this.stickyOffsetTop = Drupal.settings.tableHeaderOffset ? eval(Drupal.settings.tableHeaderOffset + '()') : 0;
+  this.stickyOffsetTop = Drupal.settings.tableHeaderOffset ? callHeaderOffsetFunction(Drupal.settings.tableHeaderOffset) : 0;
   this.stickyTable.css('top', this.stickyOffsetTop + 'px');

   // Save positioning data.