diff -u b/misc/ajax_facets.js b/misc/ajax_facets.js
--- b/misc/ajax_facets.js
+++ b/misc/ajax_facets.js
@@ -365,7 +365,7 @@
             facets: Drupal.ajax_facets.queryState['f']
           };
 
-        History.pushState(state, document.title, stateUrl);
+        Drupal.ajax_facets.pushState(state, document.title, stateUrl);
       }
 
       //Pass back to original method.
@@ -530,7 +530,7 @@
    */
   Drupal.ajax_facets.initHistoryState = function ($facet) {
     // Set the initial state only initial page load.
-    if (typeof history.replaceState != "undefined" && Drupal.ajax_facets.firstLoad) {
+    if (Drupal.ajax_facets.firstLoad) {
       History.replaceState({
         current_id: $facet.attr('id'),
         current_facet_name: $facet.data('facet'),
@@ -543,10 +543,22 @@
   /**
-   * HTML5 popstate callback. Re-runs the ajax query based on stored state info.
+   * Pushes new state to browser history.
+   *
+   * History.js library fires "statechange" event even on API push/replace calls.
+   * So before pushing new state to history we should unbind from this event and after bin again.
    */
-  History.Adapter.bind(window, 'statechange', function() {
+  Drupal.ajax_facets.pushState = function (state, title, stateUrl) {
+    $(window).unbind('statechange', Drupal.ajax_facets.reactOnStateChange);
+    History.pushState(state, title, stateUrl);
+    $(window).bind('statechange', Drupal.ajax_facets.reactOnStateChange);
+  };
+
+  /**
+   * Callback for back/forward browser buttons.
+   */
+  Drupal.ajax_facets.reactOnStateChange = function () {
     var state = History.getState();
 
     Drupal.ajax_facets.queryState['f'] = state.data.facets;
     Drupal.ajax_facets.sendAjaxQuery($('#' + state.data.current_id), false);
-  });
+  };
 })(jQuery);