diff --git a/backend/src/graphql/resolver/UserResolver.ts b/backend/src/graphql/resolver/UserResolver.ts
index 3674f6602..7198a3bdc 100644
--- a/backend/src/graphql/resolver/UserResolver.ts
+++ b/backend/src/graphql/resolver/UserResolver.ts
@@ -538,7 +538,7 @@ export class UserResolver {
       if (aliasInUse.length !== 0) {
         throw new LogError('Alias already in use', alias)
       }
-      userEntity.alias = alias
+      user.alias = alias
     }
 
     if (language) {