diff --git a/app/models/user.rb b/app/models/user.rb
index 66f838a7..ed2715a5 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -114,8 +114,9 @@ class User < ActiveRecord::Base
   end
 
   def setup_role
-    self.is_admin = true if User.count == 0
-    roles << Role.where(name: 'Admin') if User.count == 1
+    if User.count == 1 && User.first.email == 'deleted@localhost.osem'
+      self.is_admin = true
+    end
   end
 
   # Gets the roles of the user, groups them by role.name and returns the resource(s) of each role
diff --git a/spec/controllers/admin/users_controller_spec.rb b/spec/controllers/admin/users_controller_spec.rb
index ee1d0410..87759372 100644
--- a/spec/controllers/admin/users_controller_spec.rb
+++ b/spec/controllers/admin/users_controller_spec.rb
@@ -9,8 +9,9 @@ describe Admin::UsersController do
     it 'populates an array of users' do
       user1 = create(:user, email: 'user1@email.osem')
       user2 = create(:user, email: 'user2@email.osem')
+      user_deleted = User.find_by(name: 'User deleted')
       get :index
-      expect(assigns(:users)).to match_array([user, admin, user1, user2])
+      expect(assigns(:users)).to match_array([user_deleted, user, admin, user1, user2])
     end
     it 'renders index template' do
       get :index
diff --git a/spec/models/user_spec.rb b/spec/models/user_spec.rb
index 82ee27d2..d92a5433 100644
--- a/spec/models/user_spec.rb
+++ b/spec/models/user_spec.rb
@@ -4,8 +4,6 @@ describe User do
 
   # It is necessary to use bang version of let to build roles before user
   let!(:user_admin) { create(:user) }
-  let!(:admin) { create(:admin) }
-  let!(:participant) { create(:user) }
   let!(:conference) { create(:conference) }
   let!(:organizer_role) { create(:organizer_role, resource: conference) }
   let!(:cfp_role) { create(:cfp_role, resource: conference) }
@@ -47,14 +45,32 @@ describe User do
       it_behaves_like '#role?', :organizer, 'participant', false
     end
 
-    context 'admin' do
-      it 'assigns second user admin role' do
-        expect(User.second.is_admin).to be true
-      end
-    end
-
     context 'participant' do
       it_behaves_like '#role?', :user, 'adMin', false
     end
   end
+
+  describe 'assigns admin attribute' do
+    it 'to second user when first user is deleted_user' do
+      DatabaseCleaner.clean_with(:truncation)
+
+      deleted_user = create(:user, email: 'deleted@localhost.osem', name: 'User deleted')
+      expect(deleted_user.is_admin).to be false
+
+      user_after_deleted = create(:user)
+      expect(user_after_deleted.is_admin).to be true
+    end
+  end
+
+  describe 'does not assign admin attribute' do
+    it 'when first user is not deleted_user' do
+      DatabaseCleaner.clean_with(:truncation)
+
+      first_user = create(:user)
+      expect(first_user.is_admin).to be false
+
+      second_user = create(:user)
+      expect(second_user.is_admin).to be false
+    end
+  end
 end
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 6380ac98..972e810d 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -58,6 +58,7 @@ RSpec.configure do |config|
 
   config.around(:each) do |example|
     DatabaseCleaner.cleaning do
+      load "#{Rails.root}/db/seeds.rb"
       example.run
     end
   end