diff --git a/sql-schema/018.sql b/sql-schema/018.sql
new file mode 100644
index 000000000..ffb4df62d
--- /dev/null
+++ b/sql-schema/018.sql
@@ -0,0 +1,3 @@
+ALTER TABLE  `pseudowires` ADD  `device_id` INT NOT NULL AFTER  `pseudowire_id`;
+TRUNCATE TABLE  `pseudowires`;
+ALTER TABLE  `pseudowires` ADD  `pw_type` VARCHAR( 32 ) NOT NULL ,ADD  `pw_psntype` VARCHAR( 32 ) NOT NULL ,ADD  `pw_local_mtu` INT NOT NULL ,ADD  `pw_peer_mtu` INT NOT NULL ,ADD  `pw_descr` VARCHAR( 128 ) NOT NULL;