diff --git a/application/helpers/expressions/em_manager_helper.php b/application/helpers/expressions/em_manager_helper.php
index 86424374f68..b0c49b3448c 100644
--- a/application/helpers/expressions/em_manager_helper.php
+++ b/application/helpers/expressions/em_manager_helper.php
@@ -6727,10 +6727,13 @@ static function GetRelevanceAndTailoringJavaScript()
                     {
                         $rowdividList[$sq['rowdivid']] = $sq['result'];
 
-                        // make sure to update array_filter headings
+                        // make sure to update array_filter headings and colors
                         if( ! empty($LEM->qattr[$arg['qid']]['array_filter'])) {
+                            // js to fix colors
+                            $relParts[] = "updateColors($('#question".$arg['qid']."').find('table.question'));\n";
+                            // js to fix headings
                             $repeatheadings = Yii::app()->getConfig("repeatheadings");
-                            if( ! empty($LEM->qattr[$arg['qid']]['repeat_headings'])) {
+                            if(isset($LEM->qattr[$arg['qid']]['repeat_headings']) && $LEM->qattr[$arg['qid']]['repeat_headings'] !== "") {
                                 $repeatheadings = $LEM->qattr[$arg['qid']]['repeat_headings'];
                             }
                             if($repeatheadings > 0)
diff --git a/scripts/expressions/em_javascript.js b/scripts/expressions/em_javascript.js
index e99b4e20fb8..7fe81b3eed3 100644
--- a/scripts/expressions/em_javascript.js
+++ b/scripts/expressions/em_javascript.js
@@ -2917,7 +2917,7 @@ function time () {
     return Math.floor(new Date().getTime() / 1000);
 }
 
-// updates the deadings of a dynamic table
+// updates the repeated headings in a dynamic table
 function updateHeadings(tab, rep)
 {
     tab.find('.repeat').remove();
@@ -2925,8 +2925,6 @@ function updateHeadings(tab, rep)
     var trs = tab.find('tr:visible');
     trs.each(function(i, tr)
     {
-        // fix line colors
-        $(tr).removeClass('array1').removeClass('array2').addClass('array' + (1 + i % 2));
         // add heading but not for the first and the last rows
         if(i != 0 && i % rep == 0 && i != trs.length-1)
         {
@@ -2934,3 +2932,14 @@ function updateHeadings(tab, rep)
         }
     });
 }
+
+// updates the colors in a dynamic table
+function updateColors(tab)
+{
+    var trs = tab.find('tr:visible');
+    trs.each(function(i, tr)
+    {
+        // fix line colors
+        $(tr).removeClass('array1').removeClass('array2').addClass('array' + (1 + i % 2));
+    });
+}