diff --git a/templates/shinyproxy-2-conf.yml.j2 b/templates/shinyproxy-2-conf.yml.j2
index 6883ab6..78c4307 100644
--- a/templates/shinyproxy-2-conf.yml.j2
+++ b/templates/shinyproxy-2-conf.yml.j2
@@ -134,7 +134,7 @@ proxy:
 
   {% if app.port is defined %}port: {{ app.port }}{% endif %}
 
-  {% if app.container_volumes is defined %}container-volumes: [ {% for vol in app.container_volumes %} "{{ vol }}"{% if not loop.end%}, {% endif %}{% endfor %} ]{% endif %}
+  {% if app.container_volumes is defined %}container-volumes: [ {% for vol in app.container_volumes %} "{{ vol }}"{% if not loop.end %}, {% endif %}{% endfor %} ]{% endif %}
 
 {% endfor %}
 {% endif %}