diff --git a/application/views/lehre/anrechnung/adminAnrechnungData.php b/application/views/lehre/anrechnung/adminAnrechnungData.php
index 652c349d8..adf909c0a 100644
--- a/application/views/lehre/anrechnung/adminAnrechnungData.php
+++ b/application/views/lehre/anrechnung/adminAnrechnungData.php
@@ -24,13 +24,12 @@ $filterWidgetArray = array(
 		layout: "fitDataFill",           
 		persistentLayout:true,
 		autoResize: false, 				// prevent auto resizing of table (false to allow adapting table size when cols are (de-)activated
-	    headerFilterPlaceholder: " ",
         index: "anrechnungszeitraum_id",         // assign specific column as unique id (important for row indexing)
         selectable: false,                  // allow row selection
 		tableWidgetHeader: true,
-		tableBuilt: function(){
-            func_tableBuilt(this);
-        },
+		columnDefaults:{
+			headerFilterPlaceholder: " ",
+		}
 	 }',
 	'datasetRepFieldsDefs' => '{
 		anrechnungszeitraum_id: {visible: false, headerFilter:"input"},
diff --git a/public/js/lehre/anrechnung/adminAnrechnung.js b/public/js/lehre/anrechnung/adminAnrechnung.js
index 51412bff0..3c5ac3b5a 100644
--- a/public/js/lehre/anrechnung/adminAnrechnung.js
+++ b/public/js/lehre/anrechnung/adminAnrechnung.js
@@ -3,7 +3,7 @@
 
 // Add Edit and Update Buttons to table rows
 function func_tableBuilt(table) {
-    table.addColumn(
+    table.tabulator("addColumn",
         {
             title: "Aktion",
             align: "center",
@@ -39,7 +39,7 @@ var addActionButtons = function(cell) {
     editBtn.innerHTML = "<i class=\"fa fa-edit\"></i>";
     editBtn.classList.add("azrEditBtn");
     editBtn.classList.add("btn");
-    editBtn.classList.add("btn-default");
+    editBtn.classList.add("btn-outline-secondary");
     editBtn.addEventListener("click", function(){
         adminAnrechnung.editRow(cell);
     });
@@ -52,7 +52,7 @@ var addActionButtons = function(cell) {
     delBtn.innerHTML = "<i class=\"fa fa-times\"></i>";
     delBtn.classList.add("azrDeleteBtn");
     delBtn.classList.add("btn");
-    delBtn.classList.add("btn-default");
+    delBtn.classList.add("btn-outline-secondary");
     delBtn.style.marginLeft = '5px';
     delBtn.addEventListener("click", function(){
         adminAnrechnung.deleteRow(cell);
@@ -70,6 +70,11 @@ var addActionButtons = function(cell) {
 
 $(function () {
 
+    $(document).on("tableInit", function(event,tabulatorInstance) {
+        // tablutBuilt has to be attached as a callback the the tabulator in tabulator5
+        func_tableBuilt($("#tableWidgetTabulator"))
+    });
+
     // Empty Modal fields on 'Anrechnungszeitraum hinzufuegen'
     $(document).on('click', '.azrOpenModal', function(){