diff --git a/manifest.json b/manifest.json
index 2087007..85963da 100644
--- a/manifest.json
+++ b/manifest.json
@@ -18,8 +18,7 @@
 		"page": "background.html"
 	},
 	"options_page": "options.html",
-	"permissions": [
-		"tabs",
+	"optional_permissions": [
 		"http://*/",
 		"https://*/"
 	]
diff --git a/options.js b/options.js
index 50ae5df..5ed1388 100644
--- a/options.js
+++ b/options.js
@@ -133,9 +133,18 @@ function save() {
     } else {
         delete localStorage.green;
     }
-    
+
+    chrome.permissions.request({
+      origins:[localStorage.url]
+    }, function (granted) {
+      if (granted) {
+        chrome.extension.getBackgroundPage()["init"]();
+      } else {
+        markDirty();
+      }
+    });
+
     init();
-    chrome.extension.getBackgroundPage()["init"]();
 }
 
 function markDirty() {