diff --git a/themes/default/address.tpl b/themes/default/address.tpl
index e5054515e..6025dc94b 100644
--- a/themes/default/address.tpl
+++ b/themes/default/address.tpl
@@ -48,7 +48,7 @@ $(function(){ldelim}
 {rdelim});
 {literal}
 	$(document).ready(function() {
-		$('#company').blur(function(){
+		$('#company').on('input',function(){
 			vat_number();
 		});
 		vat_number();