diff --git a/templates/mako.j2 b/templates/mako.j2
index e58f73a..43059ba 100644
--- a/templates/mako.j2
+++ b/templates/mako.j2
@@ -1,6 +1,8 @@
 {% if mako_options is defined %}
 {% for option, value in mako_options.items() %}
-{{ option }}="{{ value }}"
+{% if value or value == 0 %}
+{{ option }}={{ value }}
+{% endif %}
 {% endfor %}
 {% endif %}
 {% if mako_rules %}