diff --git a/default.nix b/default.nix
index 716634c..2f7e7d8 100644
--- a/default.nix
+++ b/default.nix
@@ -5,7 +5,8 @@ let
     "https://github.com/nix-community/NUR/archive/master.tar.gz") {
       inherit pkgs;
     };
-  tex = pkgs.callPackage ./nix/texlive.nix { };
+  tex = with pkgs;
+    texlive.combine { inherit (texlive) scheme-medium bitter titlesec; };
   version = "devel";
 in pkgs.stdenv.mkDerivation {
   pname = "tulpanomicon";
@@ -21,9 +22,9 @@ in pkgs.stdenv.mkDerivation {
 
   buildPhase = ''
     cp -rf $src/src .
-    chmod a+w ./src
     cp -rf $src/book.toml .
     mkdir book
+    chmod -R a+w .
     mdbook build
     cd ./src && ./build.sh && cd ..
   '';
diff --git a/result b/result
new file mode 120000
index 0000000..c71eb21
--- /dev/null
+++ b/result
@@ -0,0 +1 @@
+/nix/store/ck1nzwpd3p8d0a996wz9b0dkf0yv2l0a-tulpanomicon-devel
\ No newline at end of file