diff --git a/assets/db/base_db.sql b/assets/db/base_db.sql
index 850a06f..ad24de1 100644
--- a/assets/db/base_db.sql
+++ b/assets/db/base_db.sql
@@ -7,7 +7,7 @@ CREATE TABLE Users(
     UserID INTEGER PRIMARY KEY AUTO_INCREMENT,
     Name VARCHAR(32),
     Surname VARCHAR(32),
-    Email VARCHAR(256),
+    Email VARCHAR(256) UNIQUE,
     Password VARCHAR(255),
     Role VARCHAR(8) DEFAULT 'user'
 );