diff --git a/.themes/classic/source/_includes/asides/googleplus.html b/.themes/classic/source/_includes/asides/googleplus.html
index 00a0aa856cd..01f2005d9c1 100644
--- a/.themes/classic/source/_includes/asides/googleplus.html
+++ b/.themes/classic/source/_includes/asides/googleplus.html
@@ -2,7 +2,7 @@
 <section class="googleplus{% if site.googleplus_hidden %} googleplus-hidden{% endif %}">
   <h1>
     <a href="https://plus.google.com/{{ site.googleplus_user }}?rel=author">
-      <img src="http://www.google.com/images/icons/ui/gprofile_button-32.png" width="32" height="32">
+      <img src="https://www.google.com/images/icons/ui/gprofile_button-32.png" width="32" height="32">
       Google+
     </a>
   </h1>