diff --git a/migrations/054_improve_tmodule_customer_linking.sql b/migrations/054_improve_tmodule_customer_linking.sql
index cfd8cab..31099bd 100644
--- a/migrations/054_improve_tmodule_customer_linking.sql
+++ b/migrations/054_improve_tmodule_customer_linking.sql
@@ -43,7 +43,7 @@ BEGIN
         FROM tmodule_customers tc
         JOIN customers c ON LOWER(TRIM(tc.name)) = LOWER(TRIM(c.name))
         WHERE tc.hub_customer_id IS NULL
-          AND tc.id NOT IN (SELECT tmodule_id FROM economic_matches)
+          AND tc.id NOT IN (SELECT em.tmodule_id FROM economic_matches em)
     ),
     all_matches AS (
         SELECT * FROM economic_matches