diff --git a/flake.nix b/flake.nix
index 8ec1084..8576210 100644
--- a/flake.nix
+++ b/flake.nix
@@ -10,33 +10,33 @@
     flake-utils.lib.eachDefaultSystem (system:
       let pkgs = import nixpkgs { inherit system; };
           builtBlog = blog.defaultPackage.${system};
-	  blogWithRelativeLinks = pkgs.stdenv.mkDerivation {
-	    name = "blogWithRelativeLinks";
+          blogWithRelativeLinks = pkgs.stdenv.mkDerivation {
+            name = "blogWithRelativeLinks";
             version = "1.0";
-	    buildInputs = [
-	      (pkgs.python3.withPackages (ps: [
+            buildInputs = [
+              (pkgs.python3.withPackages (ps: [
                 ps.beautifulsoup4
-	        ps.lxml
+                ps.lxml
               ]))
-	    ];
-	    builtBlog = builtBlog;
-	    urlScript = pkgs.writeTextFile { name = "chatgpt-fix-root-URLs.py"; text = builtins.readFile ./scripts/chatgpt-fix-root-URLs.py; };
-	    builder = builtins.toFile "builder.sh" "
+            ];
+            builtBlog = builtBlog;
+            urlScript = pkgs.writeTextFile { name = "chatgpt-fix-root-URLs.py"; text = builtins.readFile ./scripts/chatgpt-fix-root-URLs.py; };
+            builder = builtins.toFile "builder.sh" "
               source $stdenv/setup
               mkdir -p code $out
               cp -r $builtBlog/* code
               chmod -R u+w code
-	      (cd code && python3 $urlScript)
-	      cp -r code/* $out
+              (cd code && python3 $urlScript)
+              cp -r code/* $out
             ";
-	  };
+          };
       in {
         devShell = pkgs.mkShell {
           packages = [
             pkgs.nodejs
             pkgs.yarn
             pkgs.chromium
-	    pkgs.python3
+            pkgs.python3
           ];
 
           # Configure to use system Chromium