diff --git a/flake.nix b/flake.nix
index 444be9e..149b3d1 100644
--- a/flake.nix
+++ b/flake.nix
@@ -53,7 +53,7 @@
 
     devShells = eachSystem (_: pkgs: {
       default = pkgs.mkShell {
-        packages = with pkgs; [fontforge python3 pre-commit];
+        buildInputs = with pkgs; [fontforge python3 pre-commit];
       };
     });
   };