diff --git a/api-rest/config.ini b/api-rest/config.ini
index 09770dd..ab53a23 100644
--- a/api-rest/config.ini
+++ b/api-rest/config.ini
@@ -1,4 +1,4 @@
 [database]
-dsn = "mysql:host="+System.getenv("db_server")+";dbname="+System.getenv("MYSQL_DATABASE");
+dsn = "mysql:host=".System.getenv("db_server").";dbname=".System.getenv("MYSQL_DATABASE");
 username = System.getenv("MYSQL_USER_TOM");
 password = System.getenv("MYSQL_PASSWORD_TOM");