diff --git a/packages/lib/defaultEvents.ts b/packages/lib/defaultEvents.ts
index 8d33a1a375..2849aec642 100644
--- a/packages/lib/defaultEvents.ts
+++ b/packages/lib/defaultEvents.ts
@@ -164,7 +164,7 @@ export const getUsernameList = (users: string | string[] | undefined): string[]
 
   const allUsers = users.map((user) =>
     user
-      .toLowerCase()
+      //.toLowerCase() // This was causing 404s for mixed-case usernames
       .replace(/( |%20)/g, "+")
       .split("+")
   );