diff --git a/electron/main-window.ts b/electron/main-window.ts
index f88b69385..26c47a1d5 100644
--- a/electron/main-window.ts
+++ b/electron/main-window.ts
@@ -119,11 +119,7 @@ export const createWindow = ({
 
     // NOTE this is needed for GitHub api requests to work :(
     // office365 needs a User-Agent as well (#4677)
-    if (
-      !details.url.includes('github.com') &&
-      !details.url.includes('office365.com') &&
-      !details.url.includes('outlook.live.com')
-    ) {
+    if (new URL(details.url).hostname in ['github.com', 'office365.com', 'outlook.live.com']) {
       removeKeyInAnyCase(requestHeaders, 'User-Agent');
     }
     callback({ requestHeaders });