diff --git a/boards/templates/boards/post.html b/boards/templates/boards/post.html
--- a/boards/templates/boards/post.html
+++ b/boards/templates/boards/post.html
@@ -61,7 +61,7 @@
{% for tag in post.thread_new.get_tags %}
- #{{ tag.name }}
+ #{{ tag.name }}{% if not forloop.last %},{% endif %}
{% endfor %}