diff --git a/src/js/uppercaseOnly-directive.js b/src/js/uppercaseOnly-directive.js
index d73427f..dbe6bb0 100644
--- a/src/js/uppercaseOnly-directive.js
+++ b/src/js/uppercaseOnly-directive.js
@@ -7,7 +7,7 @@ angular.module('focaDirectivas')
                 link: function(scope, element, attrs, ctrl) {
 
                     function parser(value) {
-                        if (ctrl.$isEmpty(value)) {
+                        if (ctrl.$isEmpty(value) || angular.isDate(value)) {
                             return value;
                         }
                         var formatedValue = value.toUpperCase();