diff --git a/htdocs/don/class/api_donations.class.php b/htdocs/don/class/api_donations.class.php
index 18a8563fd89..5f70ee82a2e 100644
--- a/htdocs/don/class/api_donations.class.php
+++ b/htdocs/don/class/api_donations.class.php
@@ -33,7 +33,7 @@ class Donations extends DolibarrApi
 	 * @var array   $FIELDS     Mandatory fields, checked when create and update object
 	 */
 	static $FIELDS = array(
-		'socid'
+		'amount'
 	);
 
 	/**
@@ -193,7 +193,7 @@ class Donations extends DolibarrApi
         }*/
 
 		if ($this->don->create(DolibarrApiAccess::$user) < 0) {
-			throw new RestException(500, "Error creating order", array_merge(array($this->don->error), $this->don->errors));
+			throw new RestException(500, "Error creating donation", array_merge(array($this->don->error), $this->don->errors));
 		}
 
 		return $this->don->id;
@@ -355,7 +355,7 @@ class Donations extends DolibarrApi
 	private function _validate($data)
 	{
 		$don = array();
-		foreach (Orders::$FIELDS as $field) {
+		foreach (Donations::$FIELDS as $field) {
 			if (!isset($data[$field]))
 				throw new RestException(400, $field." field missing");
 			$don[$field] = $data[$field];