diff --git a/Manager/InstallationManager.php b/Manager/InstallationManager.php
index <HASH>..<HASH> 100644
--- a/Manager/InstallationManager.php
+++ b/Manager/InstallationManager.php
@@ -82,7 +82,7 @@ class InstallationManager
             throw $ex;
         }
 
-        $this->kernel->switchBack();
+        $this->kernel->switchBack(true);
     }
 
     public function uninstall(InstallableInterface $bundle)
[InstallationBundle] Cleared original env when success too