diff --git a/initdb/01_schema.sql b/initdb/01_schema.sql
index 57b4552..42beead 100644
--- a/initdb/01_schema.sql
+++ b/initdb/01_schema.sql
@@ -14,7 +14,7 @@ CREATE TABLE IF NOT EXISTS utente (
   Cognome       VARCHAR(100)  NOT NULL,
   Email         VARCHAR(255)  NOT NULL,
   PasswordHash  VARCHAR(255)  NOT NULL COMMENT 'Password salvata come hash (es. bcrypt)',
-  Ruolo         ENUM("Amministratore", "Operatore") NOT NULL DEFAULT Operatore,
+  Ruolo         ENUM("Amministratore", "Operatore") NOT NULL DEFAULT "Operatore",
   created_at    DATETIME      NOT NULL DEFAULT CURRENT_TIMESTAMP,
   updated_at    DATETIME      NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,