diff --git a/.eslintrc.js b/.eslintrc.js
index d44e921..9f89f70 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -1,4 +1,7 @@
 module.exports = {
+  "parserOptions": {
+    "ecmaVersion": 8
+  },
   "env": {
     "browser": true,
     "es6": true,
diff --git a/webextension/js/popup.js b/webextension/js/popup.js
index 11e90ed..6b5b68b 100644
--- a/webextension/js/popup.js
+++ b/webextension/js/popup.js
@@ -100,13 +100,13 @@ const Logic = {
 
   clearBrowserActionBadge() {
     getExtensionInfo().then(extensionInfo=>{
-      const storage = browser.storage.local.get({browserActionBadgesClicked: []}).then(storage=>{
+      browser.storage.local.get({browserActionBadgesClicked: []}).then(storage=>{
         browser.browserAction.setBadgeBackgroundColor({color: ""});
         browser.browserAction.setBadgeText({text: ""});
         storage.browserActionBadgesClicked.push(extensionInfo.version);
         browser.storage.local.set({browserActionBadgesClicked: storage.browserActionBadgesClicked});
-      });
-    });
+      }).catch(e=>{throw e;});
+    }).catch(e=>{throw e;});
   },
 
   refreshIdentities() {