diff --git a/modules/nixos-wiki/backup.nix b/modules/nixos-wiki/backup.nix
index 959a860..931a59d 100644
--- a/modules/nixos-wiki/backup.nix
+++ b/modules/nixos-wiki/backup.nix
@@ -8,7 +8,7 @@ let
       preferLocalBuild = true;
     } ''
     mkdir -p $out/bin
-    makeWrapper ${pkgs.php}/bin/php $out/bin/mediawiki-maintenance \
+    makeWrapper ${config.services.phpfpm.pools.mediawiki.phpPackage}/bin/php $out/bin/mediawiki-maintenance \
       --set MEDIAWIKI_CONFIG ${config.services.phpfpm.pools.mediawiki.phpEnv.MEDIAWIKI_CONFIG} \
       --add-flags ${config.services.mediawiki.finalPackage}/share/mediawiki/maintenance/run.php
   '';