diff --git a/airtime_mvc/application/common/Database.php b/airtime_mvc/application/common/Database.php
index ca118a6aa..0eb08f02d 100644
--- a/airtime_mvc/application/common/Database.php
+++ b/airtime_mvc/application/common/Database.php
@@ -1,7 +1,7 @@
 <?php
 class Application_Common_Database
 {
-    public static function prepareAndExecute($sql, $paramValueMap, $type='all')
+    public static function prepareAndExecute($sql, array $paramValueMap, $type='all')
     {
         $con = Propel::getConnection();
         $stmt = $con->prepare($sql);