diff --git a/app/views/polls/_gallery.html.erb b/app/views/polls/_gallery.html.erb
index d3da43b88..14da0f27b 100644
--- a/app/views/polls/_gallery.html.erb
+++ b/app/views/polls/_gallery.html.erb
@@ -1,6 +1,6 @@
 <div class="orbit margin-bottom" role="region" aria-label="<%= answer.title %>" data-orbit data-auto-play="false">
-  <a data-toggle="answer_<%= answer.id %>" class="zoom-link show-for-medium-up">
-    <span class="icon-search-plus"></span>
+  <a data-toggle="answer_<%= answer.id %> zoom_<%= answer.id %>" class="zoom-link show-for-medium-up">
+    <span id="zoom_<%= answer.id %>" class="icon-search-plus" data-toggler="icon-search-plus icon-search-minus"></span>
     <span class="show-for-sr"><%= t("polls.show.zoom_plus") %></span>
   </a>