diff --git a/db_scripts/diff/15088.down b/db_scripts/diff/15088.down
new file mode 100644
index 00000000..2eb00241
--- /dev/null
+++ b/db_scripts/diff/15088.down
@@ -0,0 +1,2 @@
+use billing;
+alter table invoices drop column generator;
diff --git a/db_scripts/diff/15088.up b/db_scripts/diff/15088.up
new file mode 100644
index 00000000..c9f660d3
--- /dev/null
+++ b/db_scripts/diff/15088.up
@@ -0,0 +1,2 @@
+use billing;
+alter table invoices add column generator enum('auto','web') default null;