diff --git a/migrations/dlu/7_make_play_key_id_nullable.sql b/migrations/dlu/7_make_play_key_id_nullable.sql
new file mode 100644
index 00000000..7491874f
--- /dev/null
+++ b/migrations/dlu/7_make_play_key_id_nullable.sql
@@ -0,0 +1 @@
+ALTER TABLE account MODIFY play_key_id INT DEFAULT 0;