diff --git a/app/blueprints/api/collections/routes.py b/app/blueprints/api/collections/routes.py
index 3581276..6df04b3 100644
--- a/app/blueprints/api/collections/routes.py
+++ b/app/blueprints/api/collections/routes.py
@@ -63,4 +63,4 @@ def export_users_to_csv(id: int):
     writer.writeheader()
     writer.writerows(map(lambda user: user.to_dict(), collection.users))
     
-    return si.getvalue(), 200, {'Content-Disposition': f'attachment; filename={filename}', 'Content-type': 'text/csv'}
\ No newline at end of file
+    return si, 200, {'Content-Disposition': f'attachment; filename={filename}', 'Content-type': 'text/csv; charset=utf-8'}
\ No newline at end of file