diff --git a/src/js/form.js b/src/js/form.js
index <HASH>..<HASH> 100644
--- a/src/js/form.js
+++ b/src/js/form.js
@@ -96,6 +96,9 @@ ui.form = function(conf){
 		// Shoot validations
 		for(var i = 0, j = that.children.length; i < j; i ++){
 			that.children[i].validate();
+			// Issue UI-332: On validation must focus the first field with errors.
+			// Doc: http://wiki.ml.com/display/ux/Mensajes+de+error
+			if (i==0) that.children[i].element.focus();
 		};
 
 		checkStatus();
UI-<I> Errors on submit don't focus the first field SOLVED