diff --git a/src/applications/aphlict/management/PhabricatorAphlictManagementWorkflow.php b/src/applications/aphlict/management/PhabricatorAphlictManagementWorkflow.php
index 8522f00421..5bcb66c135 100644
--- a/src/applications/aphlict/management/PhabricatorAphlictManagementWorkflow.php
+++ b/src/applications/aphlict/management/PhabricatorAphlictManagementWorkflow.php
@@ -217,6 +217,7 @@ abstract class PhabricatorAphlictManagementWorkflow
             'index "%s"). You should manually create this directory or '.
             'choose a different logfile location. %s',
             $dir,
+            $index,
             $ex->getMessage()));
       }
     }