diff --git a/src/DependencyInjection/HakamMultiTenancyExtension.php b/src/DependencyInjection/HakamMultiTenancyExtension.php
index 36e8063..8c1e354 100644
--- a/src/DependencyInjection/HakamMultiTenancyExtension.php
+++ b/src/DependencyInjection/HakamMultiTenancyExtension.php
@@ -103,7 +103,7 @@ private function checkDir(string $projectDir, string $dir): void
     {
         $fileSystem = new Filesystem();
         $dir = str_replace('%kernel.project_dir%', '', $dir);
-        $dir = $projectDir . $dir;
+        $dir = sprintf("%s/%s",$projectDir , $dir);
         if (!$fileSystem->exists($dir)) {
             $fileSystem->mkdir($dir);
         }