diff --git a/src/ifcblenderexport/blenderbim/bim/prop.py b/src/ifcblenderexport/blenderbim/bim/prop.py
index 019cba8f17..d2c1c57d43 100644
--- a/src/ifcblenderexport/blenderbim/bim/prop.py
+++ b/src/ifcblenderexport/blenderbim/bim/prop.py
@@ -578,7 +578,7 @@ class MaterialLayer(PropertyGroup):
             ("Custom", "Custom", ""),
         ],
         name="Category",
-        default="LoadBearing",
+        default="None",
     )
     custom_category: StringProperty(name="Custom Category")
     priority: IntProperty(name="Priority")