diff --git a/vba_code_kukan_detail_master.txt b/vba_code_kukan_detail_master.txt
index f0034f1..f7803ee 100644
--- a/vba_code_kukan_detail_master.txt
+++ b/vba_code_kukan_detail_master.txt
@@ -39,8 +39,6 @@ Sub FillFromKukanMaster(ByVal ws As Worksheet, ByVal rowNum As Long, Optional By
     
     On Error Resume Next
     Set wsKukan = ThisWorkbook.Worksheets("区間メンテナンス")
-    On Error GoTo 0
-    
     If wsKukan Is Nothing Then
         Dim wsList As String
         Dim s As Worksheet
@@ -50,6 +48,7 @@ Sub FillFromKukanMaster(ByVal ws As Worksheet, ByVal rowNum As Long, Optional By
         MsgBox "Worksheet '区間メンテナンス' not found." & vbCrLf & vbCrLf & "Available sheets:" & vbCrLf & wsList, vbExclamation
         Exit Sub
     End If
+    On Error GoTo 0
     code = Trim(ws.Cells(rowNum, 3).Value)
     If code = "" Then Exit Sub
     lastRow = wsKukan.Cells(wsKukan.Rows.Count, 3).End(xlUp).Row