diff --git a/dev-env/etc/nix.conf b/dev-env/etc/nix.conf
index 06e38a1e1934..680cf56bb128 100644
--- a/dev-env/etc/nix.conf
+++ b/dev-env/etc/nix.conf
@@ -18,3 +18,5 @@ build-users-group =
 
 # Work around sporadic segfaults. See https://github.com/digital-asset/daml/pull/4427
 http2 = false
+
+extra-experimental-features = nix-command