diff --git a/Interfaces/ZUGFeRDInterface/PDFEmbeds.vb b/Interfaces/ZUGFeRDInterface/PDFEmbeds.vb
index 95bb1ffd..f11deaf7 100644
--- a/Interfaces/ZUGFeRDInterface/PDFEmbeds.vb
+++ b/Interfaces/ZUGFeRDInterface/PDFEmbeds.vb
@@ -169,8 +169,11 @@ Public Class PDFEmbeds
                         Dim oExtension As String = oFileInfo.Extension
 
                         If String.IsNullOrWhiteSpace(oExtension) Then
-                            Logger.Error("The embedded file [{0}] does not have any extension. Skipping.")
+                            Logger.Error("The embedded file [{0}] does not have any extension. Skipping.", oFileName)
                             Continue For
+                        Else
+                            ' Jetzt wissen wir, das es eine Extension gibt!
+                            oExtension = oFileInfo.Extension.ToUpper.Substring(1)
                         End If
 
                         If pExtensions.Contains(oExtension) Then