diff --git a/nixos/modules/services/web-apps/part-db.nix b/nixos/modules/services/web-apps/part-db.nix
index c165969aa620..85adf2d7b7e5 100644
--- a/nixos/modules/services/web-apps/part-db.nix
+++ b/nixos/modules/services/web-apps/part-db.nix
@@ -27,7 +27,7 @@ in
     phpPackage = mkPackageOption pkgs "php" { } // {
       apply =
         pkg:
-        pkg.override {
+        pkg.buildEnv {
           extraConfig = ''
             memory_limit = 256M;
           '';