diff --git a/packages/postgres/lib/postgres_p.d.ts b/packages/postgres/lib/postgres_p.d.ts
index 631256cf..49eec419 100644
--- a/packages/postgres/lib/postgres_p.d.ts
+++ b/packages/postgres/lib/postgres_p.d.ts
@@ -1,7 +1,7 @@
 import * as AWSXRay from 'aws-xray-sdk-core';
 import * as PG from 'pg';
 
-export function capturePostgres(pg: typeof PG): capturePostgres.PatchedPostgres;
+export default function capturePostgres(pg: typeof PG): capturePostgres.PatchedPostgres;
 
 declare namespace capturePostgres {
   interface CaptureQueryMethod {