diff --git a/vba_code_kukan_detail_master.txt b/vba_code_kukan_detail_master.txt
index c39fc75..3c49152 100644
--- a/vba_code_kukan_detail_master.txt
+++ b/vba_code_kukan_detail_master.txt
@@ -393,7 +393,7 @@ Sub ExportMasterDetailData()
     ' Data: C,G,H,I,J,K,L,M,N,O,P (skip D,E,F)
     Dim r As Long
     For r = 7 To lastDataRow
-        If Trim(ws.Cells(r, 3).Value) <> "" Then
+        If Len(Trim(ws.Cells(r, 3).Value & "")) > 0 Then
             ' CSV col1 -> C column
             csvContent = csvContent & CleanCSVField(ws.Cells(r, 3).Value)
             ' CSV col2-11 -> G-P column