diff --git a/app/views/proposals/_form.html.haml b/app/views/proposals/_form.html.haml
index 3729e675..fe966ed1 100644
--- a/app/views/proposals/_form.html.haml
+++ b/app/views/proposals/_form.html.haml
@@ -40,6 +40,7 @@
                         - if can? :destroy, commercial
                           = link_to 'Delete', conference_program_proposal_commercial_path(@conference.short_title, @event.id, commercial.id),
                           :method => :delete, :data => { :confirm => 'Are you sure?' }, class: 'btn btn-danger'
-                    .text-right
-                      = "added by "
-                      = link_to_user(commercial.versions.last.whodunnit)
+                    - if commercial.versions.any?
+                      .text-right
+                        = "added by "
+                        = link_to_user(commercial.versions.last.whodunnit)