diff --git a/src/main/java/com/kamco/cd/kamcoback/mapsheet/service/MapSheetMngService.java b/src/main/java/com/kamco/cd/kamcoback/mapsheet/service/MapSheetMngService.java
index 7c25bfb2..604cc015 100644
--- a/src/main/java/com/kamco/cd/kamcoback/mapsheet/service/MapSheetMngService.java
+++ b/src/main/java/com/kamco/cd/kamcoback/mapsheet/service/MapSheetMngService.java
@@ -135,11 +135,13 @@ public class MapSheetMngService {
                 .count();
 
     if (tfwCnt > 0 || tifCnt > 0) {
-      String tfwMsg = "";
-      String tifMsg = "";
-      if (tfwCnt > 0) tfwMsg = tfwFile.getOriginalFilename();
-      if (tifCnt > 0) tifMsg = tifFile.getOriginalFilename();
-      return new DmlReturn("duplicate", tfwMsg + "," + tifMsg);
+      String tfwtifMsg = "";
+      if (tfwCnt > 0) tfwtifMsg = tfwFile.getOriginalFilename();
+      if (tifCnt > 0) {
+        if( tfwCnt > 0 )tfwtifMsg = ","+tifFile.getOriginalFilename();
+        else tfwtifMsg = tifFile.getOriginalFilename();
+      }
+      return new DmlReturn("duplicate", tfwtifMsg);
     }
 
     File directory = new File(tmpPath);