diff --git a/eleventy.config.js b/eleventy.config.js
index 816ffb4..9a71144 100644
--- a/eleventy.config.js
+++ b/eleventy.config.js
@@ -6,6 +6,10 @@ import { feedPlugin } from "@11ty/eleventy-plugin-rss";
 import { IdAttributePlugin } from "@11ty/eleventy";
 
 export default function (eleventyConfig) {
+    eleventyConfig.setInputDirectory("site-src");
+    eleventyConfig.setLayoutsDirectory("layout");
+    eleventyConfig.setTemplateFormats(["mdx", "njk"]);
+
     eleventyConfig.addExtension("mdx", {
         compile: async (str, inputPath) => {
             const { default: mdxContent } = await evaluate(str, {
@@ -30,7 +34,5 @@ export default function (eleventyConfig) {
     eleventyConfig.addPassthroughCopy("site-src/*.png");
     eleventyConfig.addPassthroughCopy("site-src/**/*.html");
 
-    eleventyConfig.setLayoutsDirectory("layout");
-
     eleventyConfig.addGlobalData("layout", "page.njk");
 }
diff --git a/flake.nix b/flake.nix
index 13ac837..701316d 100644
--- a/flake.nix
+++ b/flake.nix
@@ -8,13 +8,11 @@
       pkgs = nixpkgs.legacyPackages.${system};
       self-pkgs = self.packages.${system};
 
-      default-flags = ["--formats=mdx" "--input=site-src"];
       eleventy-shortcut = { name, args ? [] }: pkgs.writeShellApplication {
         inherit name;
 
         text = ''
           npx @11ty/eleventy \
-            ${pkgs.lib.escapeShellArgs default-flags} \
             ${pkgs.lib.escapeShellArgs args} \
             "$@"
         '';