diff --git a/demo/grid.html b/demo/grid.html
index 9312a491..e6d139b1 100644
--- a/demo/grid.html
+++ b/demo/grid.html
@@ -187,7 +187,7 @@
           <div class="photoContainer">
             <div class="photoContent" tabindex$="[[tabIndex]]">
               <iron-image sizing="cover"
-                  src="//farm[[photo.farm]].staticflickr.com/[[photo.server]]/[[photo.id]]_[[photo.secret]]_n.jpg">
+                  src="https://farm[[photo.farm]].staticflickr.com/[[photo.server]]/[[photo.id]]_[[photo.secret]]_n.jpg">
               </iron-image>
               <div class="detail">[[photo.title]]</div>
             </div>