diff --git a/.envrc b/.envrc
index 3550a30..0e32f58 100644
--- a/.envrc
+++ b/.envrc
@@ -1 +1,5 @@
-use flake
+if nix flake show &> /dev/null; then
+  use flake
+else
+  use nix
+fi
\ No newline at end of file