diff --git a/src/graphql.rs b/src/graphql.rs
index b462261..0fb2516 100644
--- a/src/graphql.rs
+++ b/src/graphql.rs
@@ -397,7 +397,7 @@ pub struct Mutation;
 
 #[graphql_object(context = Context)]
 impl Mutation {
-    async fn createUser(context: &Context, new_user: NewUser) -> FieldResult<String> {
+    async fn createUser(context: &Context, new_user: NewUser) -> FieldResult<ID> {
         let user: User = new_user.into();
 
         if sqlx::query(
@@ -475,7 +475,7 @@ impl Mutation {
             external_servers_privacy_preferences.info_server_limit.iter().map(|u| u.to_string()).collect::<Vec<_>>().join(","),
         ).as_str()).execute(&context.db).await?;
 
-        Ok(format!("User @{} created", user.user_name))
+        Ok(ID::new(id_to_uuid(&user.id)?.to_simple().to_string()))
     }
 }