diff --git a/phpBB/config/installer/container/services.yml b/phpBB/config/installer/container/services.yml
index 16782dec10..20d790e9a6 100644
--- a/phpBB/config/installer/container/services.yml
+++ b/phpBB/config/installer/container/services.yml
@@ -17,7 +17,9 @@ services:
     config:
         class: phpbb\config\config
         arguments:
-            - []
+            -
+                rand_seed: 'installer_seed'
+                rand_seed_last_update: 0
 
     controller.resolver:
         class: phpbb\controller\resolver