diff --git a/app/assets/javascripts/app/controllers/_profile/calendar_subscriptions.coffee b/app/assets/javascripts/app/controllers/_profile/calendar_subscriptions.coffee
index 5c85bcb9a..d45545391 100644
--- a/app/assets/javascripts/app/controllers/_profile/calendar_subscriptions.coffee
+++ b/app/assets/javascripts/app/controllers/_profile/calendar_subscriptions.coffee
@@ -59,9 +59,8 @@ class CalendarSubscriptions extends App.ControllerSubContent
   store: ->
     # get data
     data =
-      user:
-        calendar_subscriptions:
-          tickets: @preferences
+      calendar_subscriptions:
+        tickets: @preferences
 
     @ajax(
       id:          'preferences'
diff --git a/app/assets/javascripts/app/controllers/_profile/language.coffee b/app/assets/javascripts/app/controllers/_profile/language.coffee
index 9debae4ec..efb22a23c 100644
--- a/app/assets/javascripts/app/controllers/_profile/language.coffee
+++ b/app/assets/javascripts/app/controllers/_profile/language.coffee
@@ -41,7 +41,7 @@ class Index extends App.ControllerSubContent
       id:          'preferences'
       type:        'PUT'
       url:         "#{@apiPath}/users/preferences"
-      data:        JSON.stringify({user:params})
+      data:        JSON.stringify(params)
       processData: true
       success:     @success
       error:       @error
diff --git a/app/assets/javascripts/app/controllers/_profile/notification.coffee b/app/assets/javascripts/app/controllers/_profile/notification.coffee
index 3de8f3e2b..8cf097a83 100644
--- a/app/assets/javascripts/app/controllers/_profile/notification.coffee
+++ b/app/assets/javascripts/app/controllers/_profile/notification.coffee
@@ -156,7 +156,7 @@ class Index extends App.ControllerSubContent
       id:          'preferences'
       type:        'PUT'
       url:         @apiPath + '/users/preferences'
-      data:        JSON.stringify({user:params})
+      data:        JSON.stringify(params)
       processData: true
       success:     @success
       error:       @error
diff --git a/app/assets/javascripts/app/controllers/chat.coffee b/app/assets/javascripts/app/controllers/chat.coffee
index 6023b6a8a..2966e3b4c 100644
--- a/app/assets/javascripts/app/controllers/chat.coffee
+++ b/app/assets/javascripts/app/controllers/chat.coffee
@@ -219,7 +219,7 @@ class App.CustomerChat extends App.Controller
             id:          'preferences'
             type:        'PUT'
             url:         "#{@apiPath}/users/preferences"
-            data:        JSON.stringify(user: {chat: preferences.chat})
+            data:        JSON.stringify(chat: preferences.chat)
             processData: true
             success:     @success
             error:       @error
@@ -757,7 +757,7 @@ class Setting extends App.ControllerModal
       id:          'preferences'
       type:        'PUT'
       url:         "#{@apiPath}/users/preferences"
-      data:        JSON.stringify({user:params})
+      data:        JSON.stringify(params)
       processData: true
       success:     @success
       error:       @error
diff --git a/app/assets/javascripts/app/controllers/clues.coffee b/app/assets/javascripts/app/controllers/clues.coffee
index 735a6329d..81037e9f0 100644
--- a/app/assets/javascripts/app/controllers/clues.coffee
+++ b/app/assets/javascripts/app/controllers/clues.coffee
@@ -12,7 +12,7 @@ class Index extends App.Controller
           id:          'preferences'
           type:        'PUT'
           url:         "#{@apiPath}/users/preferences"
-          data:        JSON.stringify({user:{intro:true}})
+          data:        JSON.stringify(intro: true)
           processData: true
         )
         @navigate '#'
diff --git a/app/assets/javascripts/app/controllers/cti.coffee b/app/assets/javascripts/app/controllers/cti.coffee
index 46029c79b..dddd07602 100644
--- a/app/assets/javascripts/app/controllers/cti.coffee
+++ b/app/assets/javascripts/app/controllers/cti.coffee
@@ -231,7 +231,7 @@ class App.CTI extends App.Controller
       id:          'preferences'
       type:        'PUT'
       url:         "#{@apiPath}/users/preferences"
-      data:        JSON.stringify(user: {cti: state})
+      data:        JSON.stringify(cti: state)
       processData: true
     )
 
diff --git a/app/controllers/users_controller.rb b/app/controllers/users_controller.rb
index 72727fff3..bad343c3e 100644
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@@ -803,10 +803,12 @@ curl http://localhost/api/v1/users/preferences -v -u #{login}:#{password} -H "Co
   def preferences
     raise Exceptions::UnprocessableEntity, 'No current user!' if !current_user
 
-    if params[:user]
+    preferences_params = params.except(:controller, :action)
+
+    if preferences_params.present?
       user = User.find(current_user.id)
       user.with_lock do
-        params[:user].permit!.to_h.each do |key, value|
+        preferences_params.permit!.to_h.each do |key, value|
           user.preferences[key.to_sym] = value
         end
         user.save!
diff --git a/config/initializers/wrap_parameters.rb b/config/initializers/wrap_parameters.rb
index 33725e95f..ba7a7376e 100644
--- a/config/initializers/wrap_parameters.rb
+++ b/config/initializers/wrap_parameters.rb
@@ -5,7 +5,7 @@
 
 # Enable parameter wrapping for JSON. You can disable this by setting :format to an empty array.
 ActiveSupport.on_load(:action_controller) do
-  wrap_parameters format: [:json] if respond_to?(:wrap_parameters)
+  wrap_parameters format: [] if respond_to?(:wrap_parameters)
 end
 
 # To enable root element in JSON for ActiveRecord objects.