diff --git a/app/controllers/admin/site_settings_controller.rb b/app/controllers/admin/site_settings_controller.rb
index b9b9e7273e4..ae6be824a4e 100644
--- a/app/controllers/admin/site_settings_controller.rb
+++ b/app/controllers/admin/site_settings_controller.rb
@@ -10,6 +10,7 @@ class Admin::SiteSettingsController < Admin::AdminController
     params.require(:id)
     id = params[:id]
     value = params[id]
+    value.strip! if value.is_a?(String)
     StaffActionLogger.new(current_user).log_site_setting_change(id, SiteSetting.send(id), value) if SiteSetting.has_setting?(id)
     SiteSetting.set(id, value)
     render nothing: true