diff --git a/misc/autocomplete.js b/misc/autocomplete.js
index 8f7ac60..8952da2 100755
--- a/misc/autocomplete.js
+++ b/misc/autocomplete.js
@@ -291,7 +291,7 @@ Drupal.ACDB.prototype.search = function (searchString) {
 
     // Ajax GET request for autocompletion. We use Drupal.encodePath instead of
     // encodeURIComponent to allow autocomplete search terms to contain slashes.
-    $.ajax({
+    db.xhr = $.ajax({
       type: 'GET',
       url: db.uri + '/' + Drupal.encodePath(searchString),
       dataType: 'json',
@@ -306,7 +306,11 @@ Drupal.ACDB.prototype.search = function (searchString) {
         }
       },
       error: function (xmlhttp) {
-        alert(Drupal.ajaxError(xmlhttp, db.uri));
+        if (xmlhttp.statusText == 'abort') {
+          // no need to log any error since abort set explicitly
+        } else {
+          alert(Drupal.ajaxError(xmlhttp, db.uri));
+        }
       }
     });
   }, this.delay);