diff --git a/tasks/install.yml b/tasks/install.yml
index 0f09588c53488959fd81d747a2545a08b5ecf965..e40a0b79709d7aa7ef9d6f2a0384081ab1aa4882 100644
--- a/tasks/install.yml
+++ b/tasks/install.yml
@@ -264,7 +264,7 @@
         },
         {
           regex: 'deployment_identifier',
-          line: "$settings['deployment_identifier'] = \Drupal::VERSION . '-{{ ansible_date_time.epoch }}';"
+          line: "$settings['deployment_identifier'] = \\Drupal::VERSION . '-{{ ansible_date_time.epoch }}';"
         }
       ]
   tags: