diff --git a/src/background/background.js b/src/background/background.js
index 33d2800..cd5e0bf 100644
--- a/src/background/background.js
+++ b/src/background/background.js
@@ -18,7 +18,7 @@
 //
 
 const browser = require('webextension-polyfill');
-const { onConnect, onCommand, onContextMenuClick, onInstalled, getBrowserInfo, onMessage, onStartup, browserAction, createContextMenus, dummyGetLocalStorage } = require('./functions');
+const { onConnect, onCommand, onContextMenuClick, onInstalled, getBrowserInfo, onMessage, onStartup, browserAction, createContextMenus, dummyGetLocalStorage, setIcon } = require('./functions');
 const { onTabRemoved, onTabUpdated, onTabActivated } = require('./tabs');
 
 const browserInfo = getBrowserInfo();
@@ -47,3 +47,5 @@ browser.tabs.onActivated.addListener(onTabActivated);
 setInterval(() => {
   return dummyGetLocalStorage();
 }, 25 * 1000);
+
+setIcon(null, false, false);
diff --git a/src/background/functions/setIcon.js b/src/background/functions/setIcon.js
index 6390ea1..5a31e4c 100644
--- a/src/background/functions/setIcon.js
+++ b/src/background/functions/setIcon.js
@@ -49,16 +49,21 @@ const getIconObj = async (tabID, isActive) => {
     iconFileName = isActive ? typeFilename : `${typeFilename}gray`;
   }
 
-  return {
+  const iconObj = {
     path: {
       16: browser.runtime.getURL(`images/icons/icon16${iconFileName}.png`),
       32: browser.runtime.getURL(`images/icons/icon32${iconFileName}.png`),
       48: browser.runtime.getURL(`images/icons/icon48${iconFileName}.png`),
       96: browser.runtime.getURL(`images/icons/icon96${iconFileName}.png`),
       128: browser.runtime.getURL(`images/icons/icon128${iconFileName}.png`)
-    },
-    tabId: tabID
+    }
   };
+
+  if (tabID) {
+    iconObj.tabId = tabID;
+  }
+
+  return iconObj;
 };
 
 const setIcon = async (tabID, isActive = true, changeTitle = false) => {
diff --git a/src/optionsPage/functions/setIconSelect.js b/src/optionsPage/functions/setIconSelect.js
index 4594476..ae9a98f 100644
--- a/src/optionsPage/functions/setIconSelect.js
+++ b/src/optionsPage/functions/setIconSelect.js
@@ -20,7 +20,7 @@
 const SlimSelect = require('slim-select');
 const browser = require('webextension-polyfill');
 const { loadFromLocalStorage, saveToLocalStorage } = require('../../localStorage');
-const checkTabCS = require('../../background/functions/checkTabCS');
+const setIcon = require('../../background/functions/setIcon');
 
 const setIconSelect = async () => {
   const { extIcon } = await loadFromLocalStorage(['extIcon']);
@@ -57,7 +57,8 @@ const setIconSelect = async () => {
         const tabID = await browser.tabs.query({ active: true, currentWindow: true }).then(tabs => tabs[0].id);
 
         await saveToLocalStorage({ extIcon: parseInt(item[0].value, 10) });
-        await checkTabCS(tabID);
+        await setIcon(null, false, false);
+        await setIcon(tabID, false, false);
       }
     }
   });