diff --git a/db_scripts/diff/15704.down b/db_scripts/diff/15704.down
new file mode 100644
index 00000000..4744b3aa
--- /dev/null
+++ b/db_scripts/diff/15704.down
@@ -0,0 +1,2 @@
+use billing;
+alter table contracts modify column vat_rate tinyint(3) not null default 0;
\ No newline at end of file
diff --git a/db_scripts/diff/15704.up b/db_scripts/diff/15704.up
new file mode 100644
index 00000000..0c294c3e
--- /dev/null
+++ b/db_scripts/diff/15704.up
@@ -0,0 +1,2 @@
+use billing;
+alter table contracts modify column vat_rate decimal(14,6) not null default 0;
\ No newline at end of file