diff --git a/direnv/flake.nix b/direnv/flake.nix
index f35050a..2c171d1 100644
--- a/direnv/flake.nix
+++ b/direnv/flake.nix
@@ -17,7 +17,10 @@
     in
     {
       devShells = forAllSystems (pkgs: {
-        default = pkgs.mkShell { packages = [ pkgs.hello ]; };
+        default = pkgs.mkShell {
+          packages = [ pkgs.hello ];
+          IN_SHELL = "yes!";
+        };
       });
     };
 }