diff --git a/js/derekovcs.js b/js/derekovcs.js
index 31f238b..0f1b7a0 100644
--- a/js/derekovcs.js
+++ b/js/derekovcs.js
@@ -98,6 +98,7 @@
 }
 
 function makeClassicCollocatorTable(id, baseURL, wordIndex) {
+  $.fn.dataTable.ext.errMode = 'throw';
   var classicCollocatorTable = $('#classicoloctable').DataTable({
     ajax: {
       method: "GET",
@@ -110,6 +111,8 @@
                               + "N=" + ccResult.N.toLocaleString("en-GB"));
         return result.collocates;
       },
+      warning: function (request, error) {
+      },
       timeout: 30000,
       data: { w: wordIndex }
     },