diff --git a/createDatabase.sql b/createDatabase.sql
index 964d872..f4e8c61 100755
--- a/createDatabase.sql
+++ b/createDatabase.sql
@@ -8,7 +8,8 @@ CREATE TABLE IF NOT EXISTS settings
 	id INT NOT NULL AUTO_INCREMENT,
 	name VARCHAR(20) NOT NULL,
 	value VARCHAR(1000) NOT NULL,
-	PRIMARY KEY (id)
+	PRIMARY KEY (id),
+	UNIQUE (name)
 );
 
 CREATE TABLE IF NOT EXISTS receiveds