diff --git a/Jobs/ZUGFeRD/ImportZUGFeRDFiles.vb b/Jobs/ZUGFeRD/ImportZUGFeRDFiles.vb
index df19988e..96b0cddd 100644
--- a/Jobs/ZUGFeRD/ImportZUGFeRDFiles.vb
+++ b/Jobs/ZUGFeRD/ImportZUGFeRDFiles.vb
@@ -163,7 +163,7 @@ Public Class ImportZUGFeRDFiles
                 _logger.Info("Start processing file group {0}", oMessageId)
 
                 If _file.CheckFileAge(oFileGroupFiles, oArgs.MinFileAgeInMinutes) Then
-                    _logger.Info("At least one file was created less than [{0}] minutes ago. Skipping file group.")
+                    _logger.Info("At least one file was created less than [{0}] minutes ago. Skipping file group.", oArgs.MinFileAgeInMinutes)
                     Continue For
                 End If