diff --git a/_includes/sidebar.html b/_includes/sidebar.html
index 1cd0ee8a7..ed35424ef 100644
--- a/_includes/sidebar.html
+++ b/_includes/sidebar.html
@@ -68,7 +68,7 @@
           {%- endunless -%}
           {%- assign email = site.social.email | split: '@' -%}
           {%- capture url -%}
-            javascript:location.href = 'mailto:' + ['{{ email[0] }}','{{ email[1] }}'].join('@')
+            javascript:void(location.href = 'mailto:' + ['{{ email[0] }}','{{ email[1] }}'].join('@'))
           {%- endcapture -%}
         {% when 'rss' %}
           {% assign url = '/feed.xml' | relative_url %}