diff --git a/layouts/partials/pic_set.html b/layouts/partials/pic_set.html
index ad8aedd..dea264c 100644
--- a/layouts/partials/pic_set.html
+++ b/layouts/partials/pic_set.html
@@ -13,7 +13,7 @@
         <div class="pure-u-1-{{ $num_per_row }}">
             <div class="add-padding">
                 <div class="img-container">
-                    <a data-src="{{ $a }}" data-fancybox="gallery" data-caption="{{ $caption }}">
+                    <a data-src="{{ $a }}" data-fancybox="{{ sha1 $caption }}">
                         <img src="{{ $a }}" alt="pictures"/>
                     </a>
                 </div>