diff --git a/contacto.php b/contacto.php
index 4ab75c3..f2261e7 100644
--- a/contacto.php
+++ b/contacto.php
@@ -24,7 +24,7 @@
         </div>
       </div>
       <div class="form-group">
-        <div class="g-recaptcha col-sm-8 col-sm-offset-2" data-sitekey="6LeLxy4UAAAAALcrNXxcOiW1B3QgcfgZ6u4l52kZ"></div>              
+        <div class="g-recaptcha col-sm-8 col-sm-offset-2" data-callback="onReturnCallback"data-sitekey="6LeLxy4UAAAAALcrNXxcOiW1B3QgcfgZ6u4l52kZ"></div>              
       </div>
       <div class="form-group"> 
         <div class="col-sm-offset-2 col-sm-8">
@@ -39,4 +39,4 @@
 </div>
 
 <?php include_once 'sidebar.php'; ?>
-<?php include_once 'footer.php'; ?>
\ No newline at end of file
+<?php include_once 'footer.php'; ?>