diff --git a/flake.nix b/flake.nix
index bc2fbff..81027a0 100644
--- a/flake.nix
+++ b/flake.nix
@@ -41,7 +41,7 @@
               [ (updateCljDeps cljLibs) ];
           };
           tattler = pkgs.mkShell {
-            buildInputs = with self.packages."${system}"; [ tattler ];
+            buildInputs = [ self.packages."${system}".tattler ];
           };
         };
       }) // {