--- a/includes/mysqli_functions.php
+++ b/includes/mysqli_functions.php
@@ -9,7 +9,7 @@
 		include(_BASEDIR."languages/en.php"); // Because we haven't got a language set yet.
 		die(_FATALERROR." "._NOTCONNECTED);
 	}
-	mysqli_query($mysql_access, "SET SESSION sql_mode = 'MYSQL40'");
+	mysqli_query($mysql_access, "SET SESSION sql_mode = 'NO_ZERO_IN_DATE,NO_ZERO_DATE,NO_ENGINE_SUBSTITUTION'");
     mysqli_query($mysql_access, "SET NAMES UTF8;");
 	return $mysql_access;
 }