diff --git a/src/entity/users.ts b/src/entity/users.ts
index 9c45f92..d5b76f8 100644
--- a/src/entity/users.ts
+++ b/src/entity/users.ts
@@ -32,7 +32,8 @@ export class User {
 
     @Column({
         nullable: true,
-        length: 64
+        length: 64,
+        unique: true,
     })
     name: string;