diff --git a/db_scripts/diff/15331.down b/db_scripts/diff/15331.down
new file mode 100644
index 00000000..da8284bb
--- /dev/null
+++ b/db_scripts/diff/15331.down
@@ -0,0 +1,6 @@
+USE provisioning;
+
+ALTER TABLE `provisioning`.`voip_cf_source_sets` 
+ADD UNIQUE INDEX `cf_sourcesets_name_unique` (`name` ASC),
+DROP INDEX `cf_sourcesets_sid_name_unique`;
+
diff --git a/db_scripts/diff/15331.up b/db_scripts/diff/15331.up
new file mode 100644
index 00000000..d20a7203
--- /dev/null
+++ b/db_scripts/diff/15331.up
@@ -0,0 +1,6 @@
+USE provisioning;
+
+ALTER TABLE `provisioning`.`voip_cf_source_sets` 
+ADD UNIQUE INDEX `cf_sourcesets_sid_name_unique` (`subscriber_id` ASC, `name` ASC),
+DROP INDEX `cf_sourcesets_name_unique`;
+