diff --git a/GUIs.Test.ZUGFeRDTest/Form1.vb b/GUIs.Test.ZUGFeRDTest/Form1.vb
index 13f00e5e..94fbd144 100644
--- a/GUIs.Test.ZUGFeRDTest/Form1.vb
+++ b/GUIs.Test.ZUGFeRDTest/Form1.vb
@@ -25,7 +25,7 @@ Public Class Form1
         _firebird = New Firebird(_logConfig, My.Settings.FB_DATASOURCE, My.Settings.FB_DATABASE, My.Settings.FB_USER, My.Settings.FB_PASS)
         _mssql = New MSSQLServer(_logConfig, My.Settings.MSSQL_CONNECTIONSTRING)
 
-        _zugferd = New ZUGFeRDInterface(_logConfig, "")
+        _zugferd = New ZUGFeRDInterface(_logConfig, "21182889975216572111813147150675976632")
     End Sub
 
     Private Function LoadFolderConfig(args As WorkerArgs)
@@ -105,7 +105,7 @@ Public Class Form1
         Dim oResult = OpenFileDialog1.ShowDialog()
 
         If oResult = DialogResult.OK Then
-            Dim oDoc = _zugferd.ValidateZUGFeRDFile(OpenFileDialog1.FileName)
+            Dim oDoc = _zugferd.ValidateZUGFeRDFileWithGDPicture(OpenFileDialog1.FileName)
             Dim oZUGFERD = _zugferd.SerializeZUGFeRDDocument(oDoc)
             Console.WriteLine()
         End If