diff --git a/templates/docker-compose.yml.j2 b/templates/docker-compose.yml.j2
index 13c7ded..f5db8f0 100644
--- a/templates/docker-compose.yml.j2
+++ b/templates/docker-compose.yml.j2
@@ -5,7 +5,7 @@ services:
 {% if container.active %}
   {{ container.service_name }}:{% if container.anchor is defined %} &{{ container.anchor }}{% endif %}
 {% if container.fragment is defined %}
-	<<: *{{ container.fragment }}
+    <<: *{{ container.fragment }}
 {% else %}
     image: {{ container.image }}
 {% endif %}