diff --git a/extension/background.js b/extension/background.js
index 137d4bd..8279118 100644
--- a/extension/background.js
+++ b/extension/background.js
@@ -19,7 +19,7 @@ const fetchShortcut = async (name) => {
 
 const urlRegex = /https?:\/\/go\/(.+)/;
 
-chrome.tabs.onUpdated.addListener(async (_, a, tab) => {
+chrome.tabs.onUpdated.addListener(async (_1, _2, tab) => {
   if (typeof tab.url === "string") {
     const matchResult = urlRegex.exec(tab.url);
     if (matchResult) {
diff --git a/extension/manifest.json b/extension/manifest.json
index 8dce49e..4dcc8d0 100644
--- a/extension/manifest.json
+++ b/extension/manifest.json
@@ -4,7 +4,7 @@
   "version": "0.0.1",
   "manifest_version": 3,
   "omnibox": {
-    "keyword": "go"
+    "keyword": "go/"
   },
   "action": {
     "default_popup": "popup.html"