diff --git a/app/views/admin/events/_proposal.html.haml b/app/views/admin/events/_proposal.html.haml
index 77b24a52..2a1131ce 100644
--- a/app/views/admin/events/_proposal.html.haml
+++ b/app/views/admin/events/_proposal.html.haml
@@ -107,7 +107,7 @@
           %b Description
         %td= simple_format(@event.description)
 
-      - if @conference.call_for_papers.rating > 0
+      - if @conference.call_for_papers && @conference.call_for_papers.rating && @conference.call_for_papers.rating > 0
         = render :partial => "voting"
 
     - if @event.event_attachments.size > 0
diff --git a/app/views/admin/events/_voting.html.haml b/app/views/admin/events/_voting.html.haml
index 2b6d431b..c9277796 100644
--- a/app/views/admin/events/_voting.html.haml
+++ b/app/views/admin/events/_voting.html.haml
@@ -40,8 +40,7 @@
       - unless rate.user_id == current_user.id
         %tr
           %td
-            = rate.first_name
-            = rate.last_name
+            = rate.name
           %td
             - @conference.call_for_papers.rating.times do |counter|
               - voted = @event.voted?(@event, rate.user)
diff --git a/app/views/admin/events/index.html.haml b/app/views/admin/events/index.html.haml
index 88a7c108..1a979d7f 100644
--- a/app/views/admin/events/index.html.haml
+++ b/app/views/admin/events/index.html.haml
@@ -13,7 +13,7 @@
             %b ID
           %th
             %b Title
-          - unless @conference.call_for_papers.blank? or !(@conference.call_for_papers.rating > 0)
+          - if @conference.call_for_papers && @conference.call_for_papers.rating && @conference.call_for_papers.rating > 0
             %th
               %b Rating
           %th
@@ -35,7 +35,7 @@
             %td
               =link_to event.title, admin_conference_event_path(@conference.short_title, event)
 
-            - if @conference.call_for_papers.rating != 0
+            - if @conference.call_for_papers && @conference.call_for_papers.rating && @conference.call_for_papers.rating > 0
               %td{:style => "width:96px"}
                 - if event.average_rating.to_f > 0
                   #{event.average_rating}/#{@conference.call_for_papers.rating}
@@ -52,7 +52,7 @@
                   0/#{@conference.call_for_papers.rating}
                 %br
 
-            - if event.submitter.registrations.count < 1
+            - if event.submitter && event.submitter.registrations && event.submitter.registrations.count < 1
               - bgcolor="#F7819F"
             - else
               - bgcolor=""