diff --git a/public/js/icinga/history.js b/public/js/icinga/history.js
index a0ebffa32..d0f6f6612 100644
--- a/public/js/icinga/history.js
+++ b/public/js/icinga/history.js
@@ -144,8 +144,8 @@
          */
         onHistoryChange: function (event) {
 
-            var self   = event.data.self,
-                icinga = self.icinga;
+            var _this   = event.data.self,
+                icinga = _this.icinga;
 
             icinga.logger.debug('Got a history change');
 
@@ -157,9 +157,9 @@
             }
 
             // keep the last pushed url in sync with history changes
-            self.lastPushUrl = location.href;
+            _this.lastPushUrl = location.href;
 
-            self.applyLocationBar();
+            _this.applyLocationBar();
 
             // notify behaviors of the state change
             $.each(this.icinga.behaviors, function (i, behavior) {
diff --git a/public/js/icinga/timer.js b/public/js/icinga/timer.js
index 153e5325f..e16c5fe1d 100644
--- a/public/js/icinga/timer.js
+++ b/public/js/icinga/timer.js
@@ -49,8 +49,8 @@
          * The initialization function starts our ticker
          */
         initialize: function () {
-            var self = this;
-            this.ticker = setInterval(function () { self.tick(); }, this.interval);
+            var _this = this;
+            this.ticker = setInterval(function () { _this.tick(); }, this.interval);
         },
 
         /**