diff --git a/.drone.yml b/.drone.yml
index e3b533b..b74816d 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -68,3 +68,4 @@ steps:
       ADMINS: dorianhodin,alexislamande,baptistebaverel,johanlachenal
     depends_on: [ deploy_api_form ]
 
+
diff --git a/Source/API/script/Config/ConnectClass.php b/Source/API/script/Config/ConnectClass.php
index 8d0bb99..2191450 100644
--- a/Source/API/script/Config/ConnectClass.php
+++ b/Source/API/script/Config/ConnectClass.php
@@ -2,6 +2,7 @@
 
 namespace Config;
 
+use ExceptionHandle\PDOError;
 use PDOException;
 
 require_once __DIR__ ."/Connection.php";
@@ -13,6 +14,9 @@ class ConnectClass{
     private string $password;
 
     function __construct(){
+        if ($_ENV["HOST"] == null || $_ENV["DATABASE"] == null || $_ENV["USER"] == null || $_ENV["PASSWORD"] == null){
+            throw new PDOException("ENV variable not found");
+        }
         $this->dsn = "mysql:host=".$_ENV["HOST"].";dbname=".$_ENV["DATABASE"].";charset=UTF8";
         $this->login = $_ENV["USER"];
         $this->password = $_ENV["PASSWORD"];