diff --git a/CUST/YKPN/export/pincode2nedap.js b/CUST/YKPN/export/pincode2nedap.js
index 6a73203878..122a4c9ab4 100644
--- a/CUST/YKPN/export/pincode2nedap.js
+++ b/CUST/YKPN/export/pincode2nedap.js
@@ -42,7 +42,14 @@ try {
         v_van = oRs("v_van").Value;
         v_tot = oRs("v_tot").Value;
         v_template = oRs("template").Value;
-        v_countergroup = oRs("countergroup").Value;
+        if (oRs("countergroup").Value == null )
+        {
+            v_countergroup = "";
+        }
+        else
+        {
+            v_countergroup = oRs("countergroup").Value;
+        }
         v_bez_bezoekers_key = oRs("bez_bezoekers_key").Value;
 
         var XMLReq=  '<?xml version="1.0" encoding="utf-8"?>'