diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index ee153394..2746ab10 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -59,7 +59,11 @@ class ApplicationController < ActionController::Base
   #
   # @return [String,Symbol]
   def current_locale
-    session[:locale] = params[:change_locale_to] if params[:change_locale_to].present?
+    locale = params[:change_locale_to]
+
+    if locale.present? && I18n.locale_available?(locale)
+      session[:locale] = params[:change_locale_to]
+    end
 
     session[:locale] || current_usuarie&.lang || I18n.locale
   end