diff --git a/lib/caditem.py b/lib/caditem.py
index 6070ba1..b90f2a2 100644
--- a/lib/caditem.py
+++ b/lib/caditem.py
@@ -707,6 +707,8 @@ class CadItem(DataModel):
         for key in self.key2label:
             if key == "model3d_neu": # 3D Teil Pfad ausnehmen
                 continue
+            if key == "material_sivas": # Wert in GUI-Spalte "SIVAS-Werte in Feld "Material" nicht berücksichtigen
+                continue
             content = self.get_gui_data(key)      
             for c in invalid_chars:
                 if c in content: