diff --git a/app/controllers/management/users_controller.rb b/app/controllers/management/users_controller.rb
index 8419c88f8c9c85c0801ae385ed8472acca5e4e93..d223f2f71cba133a87bd1d3a1207b1b5dda04bb3 100644
--- a/app/controllers/management/users_controller.rb
+++ b/app/controllers/management/users_controller.rb
@@ -76,7 +76,9 @@ class Management::UsersController < ManagementController
     @curators = Array.new
     @users = User.includes(:roles).all
     @users.all.each do |user|
-     @curators << user if user.roles[0].name == "curator"
+      if !user.roles[0].nil?
+        @curators << user if user.roles[0].name == "curator" || []
+      end
     end
   end
 
@@ -84,7 +86,9 @@ class Management::UsersController < ManagementController
     @admins = Array.new
     @users = User.includes(:roles).all
     @users.all.each do |user|
-      @admins << user if user.roles[0].name == "admin"
+      if !user.roles[0].nil?
+        @admins << user if user.roles[0].name == "admin" || []
+      end
     end
   end