diff --git a/Modules.Jobs/EDMI/ZUGFeRD/ImportZUGFeRDFiles.vb b/Modules.Jobs/EDMI/ZUGFeRD/ImportZUGFeRDFiles.vb
index 5f12bfa8..16626661 100644
--- a/Modules.Jobs/EDMI/ZUGFeRD/ImportZUGFeRDFiles.vb
+++ b/Modules.Jobs/EDMI/ZUGFeRD/ImportZUGFeRDFiles.vb
@@ -482,7 +482,7 @@ Public Class ImportZUGFeRDFiles
 
                                 ' PropertyMap items with `IsGrouped = False` are handled normally
                                 Dim oDefaultProperties As Dictionary(Of String, XmlItemProperty) = oArgs.PropertyMap.
-                                    Where(Function(Item) Item.Value.IsGrouped = True).
+                                    Where(Function(Item) Item.Value.IsGrouped = False).
                                     ToDictionary(Function(Item) Item.Key,
                                                  Function(Item) Item.Value)