diff --git a/src/blenderbim/blenderbim/bim/module/pset/operator.py b/src/blenderbim/blenderbim/bim/module/pset/operator.py
index 2fa01640eb..dd61f0db4d 100644
--- a/src/blenderbim/blenderbim/bim/module/pset/operator.py
+++ b/src/blenderbim/blenderbim/bim/module/pset/operator.py
@@ -248,6 +248,7 @@ class EditPset(bpy.types.Operator, Operator):
 
     def _execute(self, context):
         self.file = IfcStore.get_file()
+        objects = tool.Blender.get_selected_objects()
         props = get_pset_props(context, self.obj, self.obj_type)
         ifc_definition_id = blenderbim.bim.helper.get_obj_ifc_definition_id(context, self.obj, self.obj_type)
         element = tool.Ifc.get().by_id(ifc_definition_id)
@@ -275,28 +276,40 @@ class EditPset(bpy.types.Operator, Operator):
                         e[value_name] for e in prop.enumerated_value.enumerated_values if e.is_selected
                     ]
 
-        if pset.is_a() in ("IfcPropertySet", "IfcMaterialProperties", "IfcProfileProperties"):
-            ifcopenshell.api.run(
-                "pset.edit_pset",
-                self.file,
-                pset=pset,
-                name=props.active_pset_name,
-                properties=properties,
-                pset_template=blenderbim.bim.schema.ifc.psetqto.get_by_name(props.active_pset_name),
-            )
-        else:
-            for key, value in properties.items():
-                if isinstance(value, float):
-                    properties[key] = round(value, 4)
-            ifcopenshell.api.run(
-                "pset.edit_qto",
-                self.file,
-                qto=pset,
-                name=props.active_pset_name,
-                properties=properties,
-            )
-            if tool.Cost.has_schedules():
-                tool.Cost.update_cost_items(pset=pset)
+
+        for obj in objects:
+            element = blenderbim.tool.Ifc.get_entity(obj)
+            pset_list = element.IsDefinedBy
+            copy_of_properties = properties.copy()
+
+            for rel in pset_list:
+                rel_name = rel.RelatingPropertyDefinition.Name
+                if rel.is_a("IfcRelDefinesByProperties") and rel_name == props.active_pset_name:
+                    rel_ID = rel.RelatingPropertyDefinition.id()
+                    rel_pset = rel.RelatingPropertyDefinition
+                    if rel_pset.is_a() in ("IfcPropertySet", "IfcMaterialProperties", "IfcProfileProperties"):
+                        ifcopenshell.api.run(
+                            "pset.edit_pset",
+                            self.file,
+                            pset=rel_pset,
+                            name=props.active_pset_name,
+                            properties=copy_of_properties,
+                            pset_template=blenderbim.bim.schema.ifc.psetqto.get_by_name(props.active_pset_name),
+                        )
+                    else:
+                        for key, value in copy_of_properties.items():
+                            if isinstance(value, float):
+                                copy_of_properties[key] = round(value, 4)
+                        ifcopenshell.api.run(
+                            "pset.edit_qto",
+                            self.file,
+                            qto=rel_pset,
+                            name=props.active_pset_name,
+                            properties=copy_of_properties,
+                        )
+                        if tool.Cost.has_schedules():
+                            tool.Cost.update_cost_items(pset=rel_pset)
+
         bpy.ops.bim.disable_pset_editing(obj=self.obj, obj_type=self.obj_type)
         tool.Blender.update_viewport()