diff --git a/GUIs.Test.ZUGFeRDTest/Form1.vb b/GUIs.Test.ZUGFeRDTest/Form1.vb
index fe13417e..8c2c1610 100644
--- a/GUIs.Test.ZUGFeRDTest/Form1.vb
+++ b/GUIs.Test.ZUGFeRDTest/Form1.vb
@@ -130,6 +130,7 @@ Public Class Form1
                 oResult = _zugferd.SerializeZUGFeRDDocument(oDoc)
 
                 WriteLog("Specification: " & oResult.Specification)
+                WriteLog("XML-Schema: " & oResult.UsedXMLSchema)
                 WriteLog("Embedded File Name: " & oResult.DataFileName)
 
                 Dim oSpecification = oResult.Specification