diff --git a/app/listmonk/utils.py b/app/listmonk/utils.py
index b7708f5..1f447f2 100644
--- a/app/listmonk/utils.py
+++ b/app/listmonk/utils.py
@@ -1,5 +1,6 @@
 import logging
 
+import ox
 import requests
 
 from django.conf import settings
@@ -28,7 +29,7 @@ def send_week(monday):
     year, month, day = monday.split('-')
     body = views.week(year, month, day)
     name = 'weekly-digest-%s' % monday
-    subject = views.format_subject(monday)
+    subject = ox.strip_tags(views.format_subject(monday))
     return send_email(name, subject, body)
 
 
diff --git a/app/templates/archive.html b/app/templates/archive.html
index b6d55fe..a17e8df 100644
--- a/app/templates/archive.html
+++ b/app/templates/archive.html
@@ -17,8 +17,8 @@ body {
     {% if week_title %}
     <h2 class="week{% if week_byline %} with-byline{% endif %}">
             {% if week_byline %}
-            <div>{{ week_title }}</div>
-            <div class="byline">{{ week_byline }}</div>
+            <div>{{ week_title|safe }}</div>
+            <div class="byline">{{ week_byline|safe }}</div>
             {% else %}
             {{ week_title }}
             {% endif %}
@@ -41,9 +41,9 @@ body {
                 <div class="year-details-{{ year.year }}">
                 {% for week in year.weeks %}
                     {% if week.date == this_week %}
-                    <b>{{ week.title }}</b><br>
+                    <b>{{ week.title|striptags }}</b><br>
                     {% else %}
-                    <a href="/_{{ week.date }}/">{{ week.title }}</a><br>
+                    <a href="/_{{ week.date }}/">{{ week.title|striptags }}</a><br>
                     {% endif %}
                 {% endfor %}
                 </div>
diff --git a/app/templates/weekly_email.html b/app/templates/weekly_email.html
index 6ea8445..9ca8e8d 100644
--- a/app/templates/weekly_email.html
+++ b/app/templates/weekly_email.html
@@ -1,7 +1,7 @@
 {% if week_title %}
-<a style="color: #F0F0F0;text-decoration: underline;font-size: 18px;font-weight: bold" href="{{ week_link }}">{{ week_title }}</a>
+<a style="color: #F0F0F0;text-decoration: underline;font-size: 18px;font-weight: bold" href="{{ week_link }}">{{ week_title|safe }}</a>
 {% if week_byline %}<br>
-{{ week_byline }}
+{{ week_byline|safe }}
 {% endif %}
 <br>
 <br>