diff --git a/sys/databases/odbc_sql.php b/sys/databases/odbc_sql.php
index 6567ab5..6922280 100644
--- a/sys/databases/odbc_sql.php
+++ b/sys/databases/odbc_sql.php
@@ -17,7 +17,7 @@
   */
 class ODBC_SQL extends DB_SQL {
 
-	public function create_table($name, $columns, $constraints=array(), $indexes=array())
+	public function create_table($name, $columns, array $constraints=array(), array $indexes=array())
 	{
 		//ODBC can't know how to create a table
 		return FALSE;