diff --git a/backend/services/mining-admin-service/prisma/migrations/20260310_audit_log_nullable_admin/migration.sql b/backend/services/mining-admin-service/prisma/migrations/20260310_audit_log_nullable_admin/migration.sql
index 0a1a0204..57574d67 100644
--- a/backend/services/mining-admin-service/prisma/migrations/20260310_audit_log_nullable_admin/migration.sql
+++ b/backend/services/mining-admin-service/prisma/migrations/20260310_audit_log_nullable_admin/migration.sql
@@ -1,2 +1,3 @@
 -- Make adminId nullable in audit_logs to support LOGIN_FAILED records without a valid admin account
-ALTER TABLE "audit_logs" ALTER COLUMN "admin_id" DROP NOT NULL;
+ALTER TABLE "audit_logs" ALTER COLUMN "adminId" DROP NOT NULL;
+ALTER TABLE "audit_logs" ALTER COLUMN "adminId" DROP DEFAULT;