diff --git a/pkgs/by-name/kc/kcl/package.nix b/pkgs/by-name/kc/kcl/package.nix
index c6c1e4a70e65..3b36c50c5afb 100644
--- a/pkgs/by-name/kc/kcl/package.nix
+++ b/pkgs/by-name/kc/kcl/package.nix
@@ -51,7 +51,7 @@ buildGoModule (finalAttrs: {
     runHook preInstallCheck
     set -o pipefail
     $out/bin/kcl --version | grep $version
-    $out/bin/kcl <(echo 'hello = "KCL"') | grep "hello: KCL"
+    $out/bin/kcl run <(echo 'hello = "KCL"') | grep "hello: KCL"
     runHook postInstallCheck
   '';