diff --git a/src/_includes/layouts/post.njk b/src/_includes/layouts/post.njk
index cba7f9d..ee80d5d 100644
--- a/src/_includes/layouts/post.njk
+++ b/src/_includes/layouts/post.njk
@@ -14,7 +14,7 @@ subhead: blog
                 {% if tags %}
                     <span>in 
                         {% for tag in tags %}
-                            <span class="tag"><a href="/posts/tagged/{{ tag }}/">{{ tag }}</a></span>{% if not loop.last %}, {% endif %}
+                            <span class="tag"><a href="/posts/tagged/{{ tag | slugify }}/">{{ tag }}</a></span>{% if not loop.last %}, {% endif %}
                         {% endfor %}
                     </span>
                 {% endif %}
diff --git a/src/tagged.njk b/src/tagged.njk
index 446c2d1..2831e86 100644
--- a/src/tagged.njk
+++ b/src/tagged.njk
@@ -9,7 +9,7 @@ pagination:
   filter: 
     - posts
   addAllPagesToCollections: true
-permalink: /posts/tagged/{{ tag }}/index.html
+permalink: /posts/tagged/{{ tag | slugify }}/index.html
 ---
 {% extends 'layouts/default.njk' %}
 {% block main %}