diff --git a/tooling/hibernate-ant/src/main/java/org/hibernate/tool/hbm2ddl/SchemaExport.java b/tooling/hibernate-ant/src/main/java/org/hibernate/tool/hbm2ddl/SchemaExport.java
index 44810b3727bf..e6aea405079b 100644
--- a/tooling/hibernate-ant/src/main/java/org/hibernate/tool/hbm2ddl/SchemaExport.java
+++ b/tooling/hibernate-ant/src/main/java/org/hibernate/tool/hbm2ddl/SchemaExport.java
@@ -390,6 +390,8 @@ public static void execute(CommandLineArgs commandLineArgs) throws Exception {
 		StandardServiceRegistry serviceRegistry = buildStandardServiceRegistry( commandLineArgs );
 		try {
 			final MetadataImplementor metadata = buildMetadata( commandLineArgs, serviceRegistry );
+			metadata.orderColumns( false );
+			metadata.validate();
 
 			new SchemaExport()
 					.setHaltOnError( commandLineArgs.halt )