diff --git a/db/install/changes/15-ticketLog.sql b/db/install/changes/15-ticketLog.sql
new file mode 100644
index 000000000..e4d5c9e98
--- /dev/null
+++ b/db/install/changes/15-ticketLog.sql
@@ -0,0 +1 @@
+ALTER TABLE vn.itemLog MODIFY COLUMN userFk int(10) unsigned NULL;