diff --git a/src/main/java/com/snp/batch/jobs/shipdetail/batch/reader/ShipDetailUpdateDataReader.java b/src/main/java/com/snp/batch/jobs/shipdetail/batch/reader/ShipDetailUpdateDataReader.java
index 076648c..db9d1d4 100644
--- a/src/main/java/com/snp/batch/jobs/shipdetail/batch/reader/ShipDetailUpdateDataReader.java
+++ b/src/main/java/com/snp/batch/jobs/shipdetail/batch/reader/ShipDetailUpdateDataReader.java
@@ -122,7 +122,7 @@ public class ShipDetailUpdateDataReader extends BaseApiReader<ShipDetailDto> {
         } else {
             log.info("[{}] 변경된 IMO 번호 조회 시작...", getReaderName());
             ShipUpdateApiResponse response = callShipUpdateApi();
-            List<String> fullList = extractUpdateImoNumbers(response);
+            allImoNumbers = extractUpdateImoNumbers(response);
             log.info("[{}] 총 {} 개의 변경된 IMO 번호 조회 완료", getReaderName(), allImoNumbers.size());
         }