diff --git a/app/views/polls/_filter_subnav.html.erb b/app/views/polls/_filter_subnav.html.erb
index fe43ddf5d..88ee5beb9 100644
--- a/app/views/polls/_filter_subnav.html.erb
+++ b/app/views/polls/_filter_subnav.html.erb
@@ -2,7 +2,7 @@
   <div class="small-12 column">
     <ul class="tabs" data-tabs id="polls_tabs">
       <li class="tabs-title is-active">
-        <%= link_to "#tab_comments" do %>
+        <%= link_to "#tab-comments" do %>
           <h3>
             <%= t("polls.show.comments_tab") %>
             <span class="js-comments-count">(<%= @poll.comments_count %>)</span>
diff --git a/app/views/polls/show.html.erb b/app/views/polls/show.html.erb
index 01bdddc54..839b8725a 100644
--- a/app/views/polls/show.html.erb
+++ b/app/views/polls/show.html.erb
@@ -127,7 +127,7 @@
   <div class="tabs-content" data-tabs-content="polls_tabs" role="tablist">
     <%= render "filter_subnav" %>
 
-    <div class="tabs-panel is-active" id="tab_comments">
+    <div class="tabs-panel is-active" id="tab-comments">
       <%= render "comments" %>
     </div>
   </div>