diff --git a/vba_code_kotsu_master.txt b/vba_code_kotsu_master.txt
index dc047f8..0f3d633 100644
--- a/vba_code_kotsu_master.txt
+++ b/vba_code_kotsu_master.txt
@@ -250,7 +250,7 @@ Sub Z1_validateDetailDataButton()
     
     errorCount = 0
     For r = 7 To lastRow
-        Call validateDetailData(ws, r)
+        Call Z1_validateDetailData(ws, r)
         If Trim(ws.Cells(r, 2).Value) <> "" Then
             errorCount = errorCount + 1
         End If