diff --git a/src/main/kotlin/com/s3ai/corporate_app2/jms/persistance/entities.kt b/src/main/kotlin/com/s3ai/corporate_app2/jms/persistance/entities.kt
index 5c221cd0e40c278ff0be4cddd7ac44702b8f7491..d92945381ec8df3b3ddcff3c93c68415495ac873 100644
--- a/src/main/kotlin/com/s3ai/corporate_app2/jms/persistance/entities.kt
+++ b/src/main/kotlin/com/s3ai/corporate_app2/jms/persistance/entities.kt
@@ -48,7 +48,7 @@ class Subscriber {
     @GeneratedValue(strategy = GenerationType.AUTO)
     var id: UUID? = null
 
-    @Column(name = "email")
+    @Column(name = "email", unique = true)
     var email: String? = null
 
     @CreationTimestamp