diff --git a/.drone.yml b/.drone.yml
index 2d46192..88dd362 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -6,10 +6,12 @@ node:
   nix-daemon: 1
 
 steps:
-  #- name: check formatting
-  #  image: nixpkgs/nix:nixos-22.05
-  #  commands:
-  #    - nix run --extra-experimental-features nix-command --extra-experimental-features flakes github:nixos/nixpkgs/nixos-22.05#cargo fmt -- --check
+  - name: check formatting
+    image: nixpkgs/nix:nixos-22.05
+    environment:
+      NIX_PATH: 'nixpkgs=channel:nixos-22.05'
+    commands:
+      - nix-shell -p cargo -p rustfmt --run 'cargo fmt -- --check'
 
   - name: build
     image: nixpkgs/nix:nixos-22.05