diff --git a/application/libraries/Validation.php b/application/libraries/Validation.php
index 5d81499..f405142 100755
--- a/application/libraries/Validation.php
+++ b/application/libraries/Validation.php
@@ -215,7 +215,7 @@ public function required($fields, $err_msg = '') {
 		foreach ($fields as $v) {
 			if ($this->is_valid()) {
 				$this->data[$v] = isset($this->data[$v]) ? trim($this->data[$v]) : '';
-				if (empty($this->data[$v])) {
+				if (empty($this->data[$v]) && $this->data[$v] != 0) {
 					$this->_error($err_msg, $v);
 				}
 			}
@@ -768,4 +768,4 @@ public function callback($callback, $err_msg, $parameters = array()) {
 }
 
 /* End of file Validation.php */
-/* Location: ./application/libraries/Validation.php */
\ No newline at end of file
+/* Location: ./application/libraries/Validation.php */