diff --git a/_src/_includes/head.html b/_src/_includes/head.html
index 3b1a13f3..3ec1840d 100644
--- a/_src/_includes/head.html
+++ b/_src/_includes/head.html
@@ -97,7 +97,7 @@
     {% if page.description %}
         <meta name="twitter:description" content="{{ page.description }}">
     {% else %}
-        <meta name="twitter:description" content="{{ page.excerpt }}">
+        <meta name="twitter:description" content="{{ page.excerpt | strip_html }}">
     {% endif %}
     {% if page.image %}
         <meta name="twitter:image:src" content="{{ site.url }}/media/{{ page.image }}">