diff --git a/app/controllers/my_profile/profile_members_controller.rb b/app/controllers/my_profile/profile_members_controller.rb
index 413ac62..654ce5b 100644
--- a/app/controllers/my_profile/profile_members_controller.rb
+++ b/app/controllers/my_profile/profile_members_controller.rb
@@ -32,7 +32,6 @@ class ProfileMembersController < MyProfileController
 
   def last_admin
     @roles = [Profile::Roles.admin(environment.id)]
-    @pre_population = [].to_json
   end
 
   def add_role
diff --git a/app/views/profile_members/_manage_roles.html.erb b/app/views/profile_members/_manage_roles.html.erb
index 49d756d..4d04d89 100644
--- a/app/views/profile_members/_manage_roles.html.erb
+++ b/app/views/profile_members/_manage_roles.html.erb
@@ -13,11 +13,11 @@
 
 <% @roles.each do |role| %>
   <% search_url = url_for(:action => 'search_user', :profile => profile.identifier, :role => role.id) %>
-  <% @pre_population ||= profile.members_by_role_to_json(role) %>
+  <% pre_population = params[:action] == 'last_admin' ? [].to_json : profile.members_by_role_to_json(role) %>
   <script type="text/javascript">
     jQuery(<%= ('#search_' + role.key).to_json %>)
     .tokenInput("<%= search_url %>", {
-      prePopulate: <%= @pre_population %>,
+      prePopulate: <%= pre_population %>,
       hintText: <%= _('Type in a search term for users').to_json %>,
       noResultsText: <%= _('No results').to_json %>,
       searchingText: <%= _('Searching...').to_json %>,
--
libgit2 0.21.2