diff --git a/api/v3/GrantBudget.php b/api/v3/GrantBudget.php
index fcac915..d65cea6 100644
--- a/api/v3/GrantBudget.php
+++ b/api/v3/GrantBudget.php
@@ -15,6 +15,9 @@
 function civicrm_api3_grant_budget_create($params) {
   if (!empty($params['budget'])) {
     $params['budget'] = CRM_Utils_Rule::cleanMoney($params['budget']);
+    if (!is_numeric($params['budget'] )) {
+      throw new Exception(ts('Annual Budget is not in money format.'));
+    }
   }
   return _civicrm_api3_basic_create(_civicrm_api3_get_BAO(__FUNCTION__), $params, 'GrantBudget');
 }