diff --git a/background.js b/background.js
index ddf64ef..97b2be7 100644
--- a/background.js
+++ b/background.js
@@ -1,4 +1,13 @@
 chrome.browserAction.onClicked.addListener(function(tab) {
-    chrome.tabs.create({ url: 'chrome://flags/#enable-force-dark' });
+    chrome.tabs.query({ active: true, currentWindow: true }, function(tabs) {
+      var tab = tabs[0];
+      var url = tab.url;
+  
+      if (url === 'chrome://flags/#enable-force-dark') {
+        chrome.tabs.update(tab.id, { url: 'chrome://flags/' });
+      } else {
+        chrome.tabs.update(tab.id, { url: 'chrome://flags/#enable-force-dark' });
+      }
+    });
   });
   
\ No newline at end of file
diff --git a/manifest.json b/manifest.json
index b362799..bf9944b 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,21 +1,19 @@
 {
-  "manifest_version": 2,
-  "name": "Auto Dark Mode Toggle",
-  "version": "1.0",
-  "description": "Toggle the 'Auto Dark Mode for Web Contents' flag in Chrome://flags",
-  "icons": {
-    "16": "icon.png",
-    "48": "icon.png",
-    "128": "icon.png"
-  },
-  "browser_action": {
-    "default_popup": "popup.html"
-  },
-  "permissions": [
-    "tabs"
-  ],
-  "background": {
-    "scripts": ["background.js"],
-    "persistent": false
+    "manifest_version": 2,
+    "name": "Auto Dark Mode Toggle",
+    "version": "1.0",
+    "description": "Toggle the 'Auto Dark Mode for Web Contents' flag in Chrome://flags",
+    "icons": {
+      "16": "icon.png",
+      "48": "icon.png",
+      "128": "icon.png"
+    },
+    "background": {
+      "scripts": ["background.js"],
+      "persistent": false
+    },
+    "permissions": [
+      "tabs"
+    ]
   }
-}
+  
\ No newline at end of file