diff --git a/flake.nix b/flake.nix
index affe638..1164ba8 100644
--- a/flake.nix
+++ b/flake.nix
@@ -39,26 +39,44 @@
       pkgs = import nixpkgs {
         inherit system;
         overlays = [
-          (_: prev: {
-            python3 = prev.python3.override {
-              packageOverrides = _: python-prev: {
-                django = python-prev.django_5;
+          (_: super: {
+            python3 = super.python3.override {
+              packageOverrides = _: python-super: {
+                django = python-super.django_5;
               };
             };
           })
-          (_: prev: {
-            geoip-mmdb = prev.callPackage ./pkgs/geoip-mmdb.nix {
-              inherit geoip2-tarball;
-            };
-            e11sync-static = pkgs.callPackage ./pkgs/e11sync-static.nix {};
-            e11sync-frontend = pkgs.callPackage ./pkgs/e11sync-frontend.nix {};
-            e11sync-backend = pkgs.callPackage ./pkgs/e11sync-backend.nix {};
-          })
         ];
       };
+
+      geoip-mmdb = pkgs.callPackage ./pkgs/geoip-mmdb.nix {
+        inherit geoip2-tarball;
+      };
+
+      e11sync-static = pkgs.callPackage ./pkgs/e11sync-static.nix {};
+
+      e11sync-frontend = pkgs.callPackage ./pkgs/e11sync-frontend.nix {
+        inherit e11sync-static;
+      };
+
+      e11sync-backend = pkgs.callPackage ./pkgs/e11sync-backend.nix {
+        inherit geoip-mmdb;
+        e11sync-static-manifest = e11sync-static.passthru.manifest;
+      };
+
+      e11sync-module = import ./modules/e11sync {
+        inherit e11sync-backend e11sync-frontend;
+      };
     in {
+      packages = {
+        inherit geoip-mmdb;
+        inherit e11sync-static;
+        inherit e11sync-frontend;
+        inherit e11sync-backend;
+      };
+
       checks = {
-        e11sync-unit = pkgs.e11sync-backend.passthru.tests.unit;
+        e11sync-unit = e11sync-backend.passthru.tests.unit;
         pre-commit-check = pre-commit-hooks.lib.${system}.run {
           src = ./.;
           hooks = {
@@ -74,9 +92,8 @@
         '';
       };
 
-      packages = {
-        inherit (pkgs) e11sync-static e11sync-frontend e11sync-backend;
-      };
+      nixosModules.e11sync = e11sync-module;
+      nixosModules.default = e11sync-module;
 
       apps = {
         e11sync-frontend = {
@@ -92,7 +109,7 @@
                   debug
                 }
                 :8001
-                ${builtins.readFile "${pkgs.e11sync-frontend}"}
+                ${builtins.readFile "${e11sync-frontend}"}
               '';
             }} --adapter caddyfile'');
         };
@@ -101,7 +118,7 @@
           name = "e11sync-backend";
           program = toString (pkgs.writeShellScript "wrapper" ''
             export E11SYNC_DATABASE_PATH=$PWD/db.sqlite3
-            exec ${pkgs.e11sync-backend}/bin/e11sync-backend
+            exec ${e11sync-backend}/bin/e11sync-backend
           '');
         };
       };
@@ -122,7 +139,7 @@
           libmaxminddb
           dart-sass
         ];
-        GEOIP_PATH = "${pkgs.geoip-mmdb}";
+        GEOIP_PATH = "${geoip-mmdb}";
         E11SYNC_DEBUG = "1";
         LOCALE_ARCHIVE = "${pkgs.glibcLocales}/lib/locale/locale-archive";
         inherit (self.checks.${system}.pre-commit-check) shellHook;
@@ -139,10 +156,5 @@
           self.nixosModules.x86_64-linux.e11sync
         ];
       };
-
-      nixosModules = rec {
-        e11sync = import ./modules/e11sync {};
-        nixosModules.default = e11sync;
-      };
     };
 }
diff --git a/pkgs/e11sync-backend.nix b/pkgs/e11sync-backend.nix
index 4ba03a1..e244713 100644
--- a/pkgs/e11sync-backend.nix
+++ b/pkgs/e11sync-backend.nix
@@ -10,7 +10,7 @@
   backendPort ? 8002,
   databasePath ? null,
   geoip-mmdb,
-  e11sync-static,
+  e11sync-static-manifest,
 }: let
   uwsgi-python = uwsgi.override {plugins = ["python3"];};
   pythonEnv =
@@ -50,7 +50,7 @@ in
         ${lib.optionalString (databasePath != null) ''
         --set E11SYNC_DATABASE_PATH "${databasePath}" \
       ''} \
-        --set E11SYNC_STATIC_ROOT "${e11sync-static.passthru.manifest}" \
+        --set E11SYNC_STATIC_ROOT "${e11sync-static-manifest}" \
         --set E11SYNC_COMPRESS_OFFLINE 1 \
         --set E11SYNC_DEBUG "" \
         --set GEOIP_PATH "${geoip-mmdb}" \