diff --git a/flake.nix b/flake.nix
index c8dc638..755ad21 100644
--- a/flake.nix
+++ b/flake.nix
@@ -119,7 +119,7 @@
               newalan = pkgs.runCommand "New Alan Deployscript" {
                 nativeBuildInputs = builtins.attrValues checks;
               } ''
-                echo <<'DOC' >> $out
+                cat << 'DOC' >> $out
 #!${pkgs.runtimeShell}
 export tmp=$(mktemp -d)
 pushd $tmp