diff --git a/app/views/photos/show.html.haml b/app/views/photos/show.html.haml
index 41a6f47a6..7e52a11e9 100644
--- a/app/views/photos/show.html.haml
+++ b/app/views/photos/show.html.haml
@@ -9,7 +9,7 @@
 
 .row
   .col-md-8
-    %p= image_tag(@photo.fullsize_url, alt: @photo.title, class: 'img')
+    %p= image_tag(@photo.fullsize_url, alt: @photo.title, class: 'img img-responsive')
 
   .col-md-4
     %p