diff --git a/src/main/java/com/kamco/cd/kamcoback/postgres/entity/MapSheetMngFileEntity.java b/src/main/java/com/kamco/cd/kamcoback/postgres/entity/MapSheetMngFileEntity.java
index e3a1e930..dc02289e 100644
--- a/src/main/java/com/kamco/cd/kamcoback/postgres/entity/MapSheetMngFileEntity.java
+++ b/src/main/java/com/kamco/cd/kamcoback/postgres/entity/MapSheetMngFileEntity.java
@@ -28,10 +28,10 @@ public class MapSheetMngFileEntity {
 
   @NotNull
   @Column(name = "map_sheet_num", nullable = false)
-  private Integer mapSheetNum;
+  private String mapSheetNum;
 
   @Column(name = "ref_map_sheet_num")
-  private Integer refMapSheetNum;
+  private String refMapSheetNum;
 
   @Size(max = 255)
   @Column(name = "file_path")