diff --git a/src/Handler.php b/src/Handler.php
index 869ef4a86c6caa6136a5621fac92ae89b99f1835..7457e49d8f4c3c4f4f9a1e6779f6dc3dcdffa136 100644
--- a/src/Handler.php
+++ b/src/Handler.php
@@ -252,7 +252,7 @@ class Handler extends BaseHandler {
     }
     $this->config->setValue('projectroot', $projectRoot, FALSE);
     $this->config->setValue('projectrootfiles', $projectRoot, FALSE);
-    $this->config->setValue('projectrootinvoiceninja', $projectRoot, FALSE);
+    $this->config->setValue('projectrootinvoiceninja', $projectRoot . '/in', FALSE);
     $this->config->setValue('projectdomain', str_replace('_', '-', $this->config->readValue('projectname')) . '.' . $traefik['domain'], FALSE);
     $this->config->setValue('projectprotocol', 'http' . ($traefik['usessl'] ? 's' : ''), FALSE);
     $this->config->setValue('socketprotocol', 'ws' . ($traefik['usessl'] ? 's' : ''), FALSE);