diff --git a/db/versions/11211-greenCataractarum/00-firstScript.sql b/db/versions/11211-greenCataractarum/00-firstScript.sql
index 55b73925c..c9ba73479 100644
--- a/db/versions/11211-greenCataractarum/00-firstScript.sql
+++ b/db/versions/11211-greenCataractarum/00-firstScript.sql
@@ -1 +1 @@
-ALTER TABLE vn.parking ADD COLUMN floor VARCHAR(5) DEFAULT '--' AFTER row;
+ALTER TABLE vn.parking ADD COLUMN floor VARCHAR(5) DEFAULT NULL AFTER row;