diff --git a/background.js b/background.js
index bf7b2a31..686da3cc 100644
--- a/background.js
+++ b/background.js
@@ -103,7 +103,7 @@ function registerFirefoxContentScript(options) {
         js: options.js,
         css: options.css,
         matches: options.matches
-    }).then(() => void (contentScriptRegistrations[options.id] = registration));
+    }).then((registration) => void (contentScriptRegistrations[options.id] = registration));
 }
 
 //gets the sponsor times from memory
diff --git a/manifest.json b/manifest.json
index 0a02b00b..b2098124 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,7 +1,7 @@
 {
   "name": "__MSG_fullName__",
   "short_name": "__MSG_Name__",
-  "version": "1.2.4",
+  "version": "1.2.5",
   "default_locale": "en",
   "description": "__MSG_Description__",
   "content_scripts": [