diff --git a/polemarch/__init__.py b/polemarch/__init__.py
index 4943aab1..83e18735 100644
--- a/polemarch/__init__.py
+++ b/polemarch/__init__.py
@@ -31,6 +31,6 @@
     "VST_ROOT_URLCONF": os.getenv("VST_ROOT_URLCONF", 'vstutils.urls'),
 }
 
-__version__ = "1.3.0"
+__version__ = "1.3.1"
 
 prepare_environment(**default_settings)
diff --git a/polemarch/static/js/pmDashboard.js b/polemarch/static/js/pmDashboard.js
index 7290d4d4..3e62b0a1 100644
--- a/polemarch/static/js/pmDashboard.js
+++ b/polemarch/static/js/pmDashboard.js
@@ -203,6 +203,10 @@ guiWidgets.history_chart = class HistoryChart extends guiWidgets.line_chart {
                 let record = stats[index];
                 let status = record.status.toLowerCase();
 
+                if(!data[status]) {
+                    continue;
+                }
+
                 data[status].sum += record.sum;
             }
 
diff --git a/polemarch/static/js/pmHistory.js b/polemarch/static/js/pmHistory.js
index b5d5a1cc..79cd67fd 100644
--- a/polemarch/static/js/pmHistory.js
+++ b/polemarch/static/js/pmHistory.js
@@ -205,7 +205,23 @@ var history_pk_mixin = {
             was_cleared: undefined,
         }
     },
-
+    /**
+     * Redefinition of 'beforeRouteUpdate' hook of view_with_autoupdate_mixin.
+     */
+    beforeRouteUpdate(to, from, next) {
+        this.stopChildrenAutoUpdate();
+        this.stopAutoUpdate();
+        next();
+    },
+    /**
+     * Redefinition of 'beforeRouteUpdate' hook of view_with_autoupdate_mixin.
+     */
+    beforeRouteLeave(to, from, next) {
+        this.stopChildrenAutoUpdate();
+        this.stopAutoUpdate();
+        this.$destroy();
+        next();
+    },
     computed: {
         /**
          * Property, that returns inventory field instance from inventory section.
@@ -273,6 +289,16 @@ var history_pk_mixin = {
         }
     },
     methods: {
+        /**
+         * Stops autoupdate of history_stdout component.
+         */
+        stopChildrenAutoUpdate() {
+            this.$children.forEach(child => {
+                if(child.stopAutoUpdate && typeof child.stopAutoUpdate == 'function') {
+                    child.stopAutoUpdate();
+                }
+            });
+        },
         /**
          * Method, that sends API request for cleaning of history stdout.
          */
diff --git a/setup.py b/setup.py
index 315e9420..418d27e4 100644
--- a/setup.py
+++ b/setup.py
@@ -346,6 +346,9 @@ def make_setup(**opts):
 kwargs = dict(
     name='polemarch',
     ext_modules_list=ext_list,
+    static_exclude_min=[
+        'polemarch/templates/gui/service-worker.js',
+    ],
     install_requires=[
     ] +
     load_requirements('requirements.txt', os.getcwd()),