diff --git a/ci/checks/formatting.nix b/ci/checks/formatting.nix
index 3a7d0e50..95c83f87 100644
--- a/ci/checks/formatting.nix
+++ b/ci/checks/formatting.nix
@@ -5,8 +5,6 @@
 }:
 
 pkgs.runCommand "formatting-check" { } ''
-  ${
-    pkgs.lib.getExe self.formatter.${pkgs.stdenv.hostPlatform.system}
-  } --no-cache --fail-on-change ${../../.}
+  find ${../../.} -name "*.nix" -print0 | xargs -0 ${pkgs.lib.getExe pkgs.nixfmt} --check
   touch $out
 ''