diff --git a/CometServer/Modules/Authentication/AuthenticationModule.cs b/CometServer/Modules/Authentication/AuthenticationModule.cs
index 0dba72ac..e1a5dbf9 100644
--- a/CometServer/Modules/Authentication/AuthenticationModule.cs
+++ b/CometServer/Modules/Authentication/AuthenticationModule.cs
@@ -69,7 +69,7 @@ public override void AddRoutes(IEndpointRouteBuilder app)
                 {
                     var token = jwtTokenService.CreateToken(authenticationPerson);
                     res.StatusCode = 200;
-                    await res.WriteAsync(token);
+                    await res.AsJson(token);
                     return;
                 }