diff --git a/app/views/proposals/show.html.erb b/app/views/proposals/show.html.erb
index eb49837e6..6e8245c8d 100644
--- a/app/views/proposals/show.html.erb
+++ b/app/views/proposals/show.html.erb
@@ -6,7 +6,11 @@
social_description: @proposal.summary %>
<% end %>
<% cache [locale_and_user_status(@proposal), @proposal, @proposal.author, Flag.flagged?(current_user, @proposal), @proposal_votes] do %>
- data-user-id=<%= current_user.id %>>
+ <% if current_user %>
+ data-user-id=<%= current_user.id %>>
+ <% else %>
+