diff --git a/scripts/manifests/dev.json b/scripts/manifests/dev.json
index e6c8b6b..ae0a3e8 100644
--- a/scripts/manifests/dev.json
+++ b/scripts/manifests/dev.json
@@ -30,6 +30,7 @@
   "permissions": [
     "storage",
     "webRequest",
+    "http://*/*",
     "https://*/*"
   ],
 
diff --git a/scripts/manifests/firefox.json b/scripts/manifests/firefox.json
index dc66cbd..7abbc80 100644
--- a/scripts/manifests/firefox.json
+++ b/scripts/manifests/firefox.json
@@ -28,7 +28,8 @@
 
   "permissions": [
     "storage",
-    "webRequest",
+    "webRequest",,
+    "http://*/*"
     "https://*/*"
   ],
 
diff --git a/src/manifest.json b/src/manifest.json
index de0a907..ae0a3e8 100644
--- a/src/manifest.json
+++ b/src/manifest.json
@@ -8,7 +8,7 @@
   "description": "__MSG_extensionDescription__",
   "homepage_url": "https://github.com/rugk/mastodon-simplified-federation",
 
-  // testing version allows loading unit test libraries from CDNs
+   // testing version allows loading unit test libraries from CDNs
   "content_security_policy": "default-src 'self'; connect-src https:; style-src 'self' https://unpkg.com; script-src 'self' https://unpkg.com",
   "icons": {
     "16": "icons/icon.svg",