diff --git a/src/app/db/schema/condition/asset_condition.ts b/src/app/db/schema/condition/asset_condition.ts
index 5ce9cbb..1f9bbc8 100644
--- a/src/app/db/schema/condition/asset_condition.ts
+++ b/src/app/db/schema/condition/asset_condition.ts
@@ -31,8 +31,7 @@ export const assetCondition = pgTable(
     sourceSystem: text("source_system"),
     comments: text("comments"),
   },
-  (t) => ({
-    uniq: uniqueIndex("asset_condition_uprn_element_aspect_instance")
+  (t) => [uniqueIndex("asset_condition_uprn_element_aspect_instance")
       .on(t.uprn, t.element, t.aspectType, t.elementInstance),
-  })
+  ]
 );