diff --git a/templates/fractal/run.twig b/templates/fractal/run.twig
index 2963cb4..780f96e 100755
--- a/templates/fractal/run.twig
+++ b/templates/fractal/run.twig
@@ -22,7 +22,7 @@ fi
 function build {
 {% if isDocker %}
   cmd fractal build "${@}"
-{% if not isFlake %}
+{% else %}
   fractal build "${@}"
 {% endif %}
 }