diff --git a/src/blenderbim/blenderbim/bim/module/root/operator.py b/src/blenderbim/blenderbim/bim/module/root/operator.py
index fab321445a..6317ecba68 100644
--- a/src/blenderbim/blenderbim/bim/module/root/operator.py
+++ b/src/blenderbim/blenderbim/bim/module/root/operator.py
@@ -59,6 +59,7 @@ class EnableReassignClass(bpy.types.Operator):
             "IfcPositioningElement",
             "IfcContext",
             "IfcAnnotation",
+            "IfcRelSpaceBoundary",
         ]
         for ifc_product in ifc_products:
             if ifcopenshell.util.schema.is_a(IfcStore.get_schema().declaration_by_name(ifc_class), ifc_product):
diff --git a/src/blenderbim/blenderbim/bim/module/root/prop.py b/src/blenderbim/blenderbim/bim/module/root/prop.py
index 1e73812bf3..00d28fd207 100644
--- a/src/blenderbim/blenderbim/bim/module/root/prop.py
+++ b/src/blenderbim/blenderbim/bim/module/root/prop.py
@@ -90,6 +90,7 @@ def getIfcProducts(self, context):
                     "IfcStructuralItem",
                     "IfcContext",
                     "IfcAnnotation",
+                    "IfcRelSpaceBoundary",
                 ]
             ]
         )