diff --git a/.envrc b/.envrc
new file mode 100644
index 000000000..1d953f4bd
--- /dev/null
+++ b/.envrc
@@ -0,0 +1 @@
+use nix
diff --git a/flake.nix b/flake.nix
index e206a1cd7..f5c0b1964 100644
--- a/flake.nix
+++ b/flake.nix
@@ -21,7 +21,7 @@
           };
         in {
           devShells = {
-            archiso = pkgs.mkShell {
+            default = pkgs.mkShell {
               packages = [
                 pkgs.archiso
               ];