diff --git a/flake.nix b/flake.nix
index fad7347..2e40f43 100644
--- a/flake.nix
+++ b/flake.nix
@@ -38,6 +38,7 @@
         root = ./.;
         fileset = lib.fileset.unions [
           (lib.fileset.fromSource (typixLib.cleanTypstSource ./.))
+          (lib.fileset.maybeMissing ./assets)
           (lib.fileset.maybeMissing ./chapters)
           (lib.fileset.maybeMissing ./doc.toml)
           (lib.fileset.maybeMissing ./figures)