diff --git a/src/main/java/com/kamco/cd/kamcoback/postgres/core/MapInkxMngCoreService.java b/src/main/java/com/kamco/cd/kamcoback/postgres/core/MapInkxMngCoreService.java
index cdcba289..a3beac7e 100644
--- a/src/main/java/com/kamco/cd/kamcoback/postgres/core/MapInkxMngCoreService.java
+++ b/src/main/java/com/kamco/cd/kamcoback/postgres/core/MapInkxMngCoreService.java
@@ -44,7 +44,7 @@ public class MapInkxMngCoreService {
 
     MapInkx5kEntity entity =
         new MapInkx5kEntity(
-            req.getMapidcdNo(), req.getMapidNm(), map_polygon, fid50k.longValue(), "USE" // 기본은 USE로
+            req.getMapidcdNo(), req.getMapidNm(), map_polygon, fid50k, "USE" // 기본은 USE로
             );
 
     mapInkx5kRepository.save(entity);
diff --git a/src/main/java/com/kamco/cd/kamcoback/postgres/entity/MapInkx5kEntity.java b/src/main/java/com/kamco/cd/kamcoback/postgres/entity/MapInkx5kEntity.java
index d2d7fdb5..981b0818 100644
--- a/src/main/java/com/kamco/cd/kamcoback/postgres/entity/MapInkx5kEntity.java
+++ b/src/main/java/com/kamco/cd/kamcoback/postgres/entity/MapInkx5kEntity.java
@@ -40,13 +40,13 @@ public class MapInkx5kEntity extends CommonDateEntity {
   private Geometry geom;
 
   @Column(name = "fid_k50")
-  private Long fidK50;
+  private Integer fidK50;
 
   @Column(name = "use_inference")
   private String useInference;
 
   public MapInkx5kEntity(
-      String mapidcdNo, String mapidNm, Geometry geom, Long fidK50, String useInference) {
+      String mapidcdNo, String mapidNm, Geometry geom, Integer fidK50, String useInference) {
     this.mapidcdNo = mapidcdNo;
     this.mapidNm = mapidNm;
     this.geom = geom;
diff --git a/src/main/java/com/kamco/cd/kamcoback/postgres/repository/mapsheet/MapSheetMngRepositoryImpl.java b/src/main/java/com/kamco/cd/kamcoback/postgres/repository/mapsheet/MapSheetMngRepositoryImpl.java
index 1226813b..dd0bcb4c 100644
--- a/src/main/java/com/kamco/cd/kamcoback/postgres/repository/mapsheet/MapSheetMngRepositoryImpl.java
+++ b/src/main/java/com/kamco/cd/kamcoback/postgres/repository/mapsheet/MapSheetMngRepositoryImpl.java
@@ -393,7 +393,7 @@ public class MapSheetMngRepositoryImpl extends QuerydslRepositorySupport
             .innerJoin(mapInkx5kEntity)
             .on(mapSheetMngHstEntity.mapSheetCode.eq(mapInkx5kEntity.fid))
             .leftJoin(mapInkx50kEntity)
-            .on(mapInkx5kEntity.fidK50.eq(mapInkx50kEntity.fid.longValue()))
+            .on(mapInkx5kEntity.fidK50.eq(mapInkx50kEntity.fid))
             .where(whereBuilder)
             .fetchOne();
 
diff --git a/src/main/java/com/kamco/cd/kamcoback/postgres/repository/scene/MapInkx5kRepositoryImpl.java b/src/main/java/com/kamco/cd/kamcoback/postgres/repository/scene/MapInkx5kRepositoryImpl.java
index 2f957b8a..88531ad1 100644
--- a/src/main/java/com/kamco/cd/kamcoback/postgres/repository/scene/MapInkx5kRepositoryImpl.java
+++ b/src/main/java/com/kamco/cd/kamcoback/postgres/repository/scene/MapInkx5kRepositoryImpl.java
@@ -66,7 +66,7 @@ public class MapInkx5kRepositoryImpl extends QuerydslRepositorySupport
                     mapInkx5kEntity.useInference))
             .from(mapInkx5kEntity)
             .innerJoin(mapInkx50kEntity)
-            .on(mapInkx5kEntity.fidK50.intValue().eq(mapInkx50kEntity.fid))
+            .on(mapInkx5kEntity.fidK50.eq(mapInkx50kEntity.fid))
             .where(searchUseInference(useInference), searchValueMapCdNm(searchVal))
             .offset(pageable.getOffset())
             .limit(pageable.getPageSize())
diff --git a/src/main/java/com/kamco/cd/kamcoback/scene/dto/MapInkxMngDto.java b/src/main/java/com/kamco/cd/kamcoback/scene/dto/MapInkxMngDto.java
index 5c8baf05..635943f1 100644
--- a/src/main/java/com/kamco/cd/kamcoback/scene/dto/MapInkxMngDto.java
+++ b/src/main/java/com/kamco/cd/kamcoback/scene/dto/MapInkxMngDto.java
@@ -48,7 +48,7 @@ public class MapInkxMngDto {
     private String mapidcdNo;
     private String mapidNm;
     private JsonNode geom;
-    private Long fidK50;
+    private Integer fidK50;
     private String useInference;
     private ZonedDateTime createdDttm;
     private ZonedDateTime updatedDttm;