diff --git a/flake.nix b/flake.nix
index 506b181..9e9eed0 100644
--- a/flake.nix
+++ b/flake.nix
@@ -54,11 +54,11 @@
         };
       # lua5_1 = prev.lua5_1.override { packageOverrides };
       l_pkg_main = builtins.mapAttrs (
-        n: _: (prev.lib.attrByPath [ n "override" ] null prev) {
-          packageOverrides = luaself: luaprev: {
+        n: _: (prev.lib.attrByPath [ n "override" ] null prev) (old: {
+          packageOverrides = luaself: luaprev: (if old ? packageOverrides then old.packageOverrides luaself luaprev else {}) // {
             ${APPNAME} = luaself.callPackage luaCallPackageFn {};
           };
-        }
+        })
       ) l_pkg_enum;
       # lua51Packages = final.lua5_1.pkgs;
       l_pkg_sets = builtins.listToAttrs (