diff --git a/config/application.config.php-dist-BO b/config/application.config.php-dist-BO
index 090d11a..28f5435 100644
--- a/config/application.config.php-dist-BO
+++ b/config/application.config.php-dist-BO
@@ -9,7 +9,7 @@ $env = getenv('APP_ENV') ?: 'production';
 
 if(file_exists('data/cache/upgrade')){
     $env = 'upgrade';
-    putenv('APP_ENV',$env);
+    putenv("APP_ENV=$env");
     unlink('data/cache/upgrade');
 }
 
diff --git a/config/application.config.php-dist-FO b/config/application.config.php-dist-FO
index 069f670..403b841 100644
--- a/config/application.config.php-dist-FO
+++ b/config/application.config.php-dist-FO
@@ -9,7 +9,7 @@ $env = getenv('APP_ENV') ?: 'production';
 
 if(file_exists('data/cache/upgrade')){
     $env = 'upgrade';
-    putenv('APP_ENV',$env);
+    putenv("APP_ENV=$env");
     unlink('data/cache/upgrade');
 }