diff --git a/heatcalc/heatcalc.js b/heatcalc/heatcalc.js
index 5d7d2da..aae93f5 100644
--- a/heatcalc/heatcalc.js
+++ b/heatcalc/heatcalc.js
@@ -64,10 +64,12 @@ define(["jquery"], function ($) {
 
     function check_scroll(){
         //
-        $("#hc_table thead.table").find('tr').first().children().each(function(i, e){
-            $($("#hc_table thead.fixed").find('tr').children()[i]).width($(e).width());
+        $("#hc_table thead.table").find('tr')[0].children().each(function(i, e){
+            $($("#hc_table thead.fixed").find('tr')[0].children()[i]).css('display','block').width($(e).width());
+        });
+        $("#hc_table thead.table").find('tr')[1].children().each(function(i, e){
+            $($("#hc_table thead.fixed").find('tr')[1].children()[i]).css('display','block').width($(e).width());
         });
-
 
         // make sure the left/right buttons are hidden if already at far left/right
         var sl=$("#table_container").scrollLeft();