diff --git a/app/controllers/admin/application_settings_controller.rb b/app/controllers/admin/application_settings_controller.rb
index 4dfb397e82c7e1c029f828962dc5cf0d93e6486c..145f74d9e595594ba688c9f332c978a43801814b 100644
--- a/app/controllers/admin/application_settings_controller.rb
+++ b/app/controllers/admin/application_settings_controller.rb
@@ -56,7 +56,9 @@ class Admin::ApplicationSettingsController < Admin::ApplicationController
   end
 
   def application_setting_params
+    params[:application_setting] ||= {}
     import_sources = params[:application_setting][:import_sources]
+
     if import_sources.nil?
       params[:application_setting][:import_sources] = []
     else