diff --git a/modoboa/extensions/sievefilters/static/sievefilters/js/lib.js b/modoboa/extensions/sievefilters/static/sievefilters/js/lib.js
index 700a4e423..9edd81f62 100644
--- a/modoboa/extensions/sievefilters/static/sievefilters/js/lib.js
+++ b/modoboa/extensions/sievefilters/static/sievefilters/js/lib.js
@@ -20,7 +20,7 @@ function removefilter(evt) {
         url: $this.attr("href"),
         dataType: 'json'
     }).done(function(response) {
-        history.update(true);
+        histomanager.update(true);
         $("body").notify('success', response, 2000);
     });
 }
@@ -30,7 +30,7 @@ function removefilter(evt) {
  */
 function changefs(evt) {
     evt.preventDefault();
-    history.baseurl($(this).val()).update();
+    histomanager.baseurl($(this).val()).update();
 }
 
 /*
@@ -48,7 +48,7 @@ function init_filters_list() {
  * It updates the middle DIV and initializes the user interface.
  */
 function loadfs(response) {
-    curscript = history.getbaseurl();
+    curscript = histomanager.getbaseurl();
     $("#curfset").val(curscript);
     $("#set_content").html(response.content);
 
@@ -78,7 +78,7 @@ function send_command(cmd, extracb) {
             extracb(response);
         }
         if (!response.norefresh) {
-            history.update(true);
+            histomanager.update(true);
         }
         $("body").notify('success', response.respmsg, 2000);
     });
@@ -133,7 +133,7 @@ function removefs(evt) {
         var $curfset = $("#curfset");
 
         $curfset.find("option[value='" + curscript + "']").remove();
-        history.baseurl(response.newfs, 1);
+        histomanager.baseurl(response.newfs, 1);
     });
 }
 
@@ -206,7 +206,7 @@ function filterset_created(data) {
             }
         });
     }
-    history.baseurl(data.url, 1).update(1);
+    histomanager.baseurl(data.url, 1).update(1);
 }
 
 function filtersetform_cb() {
@@ -240,4 +240,4 @@ function fetch_templates(url, container) {
         result = data;
     });
     return result;
-}
\ No newline at end of file
+}
diff --git a/modoboa/extensions/sievefilters/templates/sievefilters/index.html b/modoboa/extensions/sievefilters/templates/sievefilters/index.html
index 63ac35146..884040aa4 100644
--- a/modoboa/extensions/sievefilters/templates/sievefilters/index.html
+++ b/modoboa/extensions/sievefilters/templates/sievefilters/index.html
@@ -7,7 +7,7 @@
 <script type="text/javascript" src="{{ STATIC_URL }}js/dynamic_input.js"></script>
 <script type="text/javascript" src="{{ STATIC_URL }}sievefilters/js/jquery.dynfields.js"></script>
 <script type="text/javascript">
-var history = new History({
+var histomanager = new History({
     deflocation: "{{ default_script }}",
     defcallback: loadfs
 });
diff --git a/modoboa/static/js/global.js b/modoboa/static/js/global.js
index 42c45a340..ae8478b2d 100644
--- a/modoboa/static/js/global.js
+++ b/modoboa/static/js/global.js
@@ -174,7 +174,7 @@ function simple_ajax_form_post(e, options) {
             if (opts.reload_mode == 'full') {
                 window.location.reload();
             } else {
-                history.update(true);
+                histomanager.update(true);
             }
         }
         if (data) {
@@ -323,4 +323,4 @@ $(document).ready(function() {
     $(document).on('click', 'a[data-toggle="ajaxmodal-autowidth"]', modalbox_autowidth);
     $(document).on('click', '.activator', activate_widget);
     $(".help").popover({trigger: 'hover'}).click(function(e) {e.preventDefault();});
-});
\ No newline at end of file
+});