diff --git a/extension/manifest.json b/extension/manifest.json
index b2c2051..713ee46 100644
--- a/extension/manifest.json
+++ b/extension/manifest.json
@@ -37,6 +37,13 @@
 		"https://www.googleapis.com/*",
 		"https://i.ytimg.com/*",
 		"https://twemoji.maxcdn.com/*",
+		"https://cdn.jsdelivr.net/gh/twitter/*",
 		"storage"
-	]
+	],
+
+	"browser_specific_settings": {
+		"gecko": {
+			"id": "fimfic2epub@mozilla.org"
+		}
+	}
 }
diff --git a/src/main.js b/src/main.js
index 3530b0d..f679448 100644
--- a/src/main.js
+++ b/src/main.js
@@ -378,7 +378,7 @@ function createEpub (model) {
 
 function openStory (id) {
   chrome.storage.sync.get(['ffcOptions', 'version'], function (result) {
-    const options = result.ffcOptions
+    const options = result ? result.ffcOptions : {}
     // Reset options on new version
     // if (result.version !== FIMFIC2EPUB_VERSION) {
     //   options = {}