diff --git a/CHANGELOG.md b/CHANGELOG.md
index d3dbd7c67..9dfc6619e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
 # Changelog Fab-manager
 
 - Fix a bug: the subscription page is not available
+- Fix a bug: users promoted to the administrator role are not in the admin group
 
 ## v4.4.0 2020 May 12
 
diff --git a/app/assets/javascripts/directives/cart.js.erb b/app/assets/javascripts/directives/cart.js.erb
index eb927e229..35fb70539 100644
--- a/app/assets/javascripts/directives/cart.js.erb
+++ b/app/assets/javascripts/directives/cart.js.erb
@@ -118,7 +118,7 @@ Application.Directives.directive('cart', [ '$rootScope', '$uibModal', 'dialogs',
          * Switch the user's view from the reservation agenda to the plan subscription
          */
         $scope.showPlans = function () {
-          // first, we ensure that a user was selected (admin) or logged (member)
+          // first, we ensure that a user was selected (admin/manager) or logged (member)
           const isSelectedUser = Object.keys($scope.user).length > 0;
           // all slots are in future
           const areFutureSlots = _.every($scope.events.reserved, function(s) {
diff --git a/app/controllers/api/members_controller.rb b/app/controllers/api/members_controller.rb
index 9d7ea4afb..a8a25a3e5 100644
--- a/app/controllers/api/members_controller.rb
+++ b/app/controllers/api/members_controller.rb
@@ -219,6 +219,9 @@ class API::MembersController < API::ApiController
     @member.remove_role ex_role
     @member.add_role params[:role]
 
+    # if the new role is 'admin', then change the group to the admins group
+    @member.update_attributes(group_id: Group.find_by(slug: 'admins').id) if params[:role] == 'admin'
+
     NotificationCenter.call type: 'notify_user_role_update',
                             receiver: @member,
                             attached_object: @member