diff --git a/experiments/2024-12-09/.vscode/settings.json b/experiments/2024-12-09/.vscode/settings.json
index 15703008b..8a43eb89a 100644
--- a/experiments/2024-12-09/.vscode/settings.json
+++ b/experiments/2024-12-09/.vscode/settings.json
@@ -1,4 +1,5 @@
 {
     "editor.formatOnSave": true,
-    "rust-analyzer.check.command": "clippy"
+    "rust-analyzer.check.command": "clippy",
+    "nixEnvSelector.nixFile": "${workspaceRoot}/shell.nix"
 }
\ No newline at end of file