diff --git a/src/blenderbim/blenderbim/bim/module/pset/operator.py b/src/blenderbim/blenderbim/bim/module/pset/operator.py
index 9347d9f8f7..b306ebba76 100644
--- a/src/blenderbim/blenderbim/bim/module/pset/operator.py
+++ b/src/blenderbim/blenderbim/bim/module/pset/operator.py
@@ -361,9 +361,16 @@ class CopyPropertyToSelection(bpy.types.Operator, Operator):
     name: bpy.props.StringProperty()
 
     def _execute(self, context):
+        is_pset = tool.Ifc.get().by_id(context.active_object.PsetProperties.active_pset_id).is_a("IfcPropertySet")
         pset_name = context.active_object.PsetProperties.active_pset_name
         prop_value = context.active_object.PsetProperties.properties.get(self.name).get_value()
         for obj in context.selected_objects:
             core.copy_property_to_selection(
-                tool.Ifc, tool.Pset, obj=obj, pset_name=pset_name, prop_name=self.name, prop_value=prop_value
+                tool.Ifc,
+                tool.Pset,
+                obj=obj,
+                is_pset=is_pset,
+                pset_name=pset_name,
+                prop_name=self.name,
+                prop_value=prop_value,
             )
diff --git a/src/blenderbim/blenderbim/core/pset.py b/src/blenderbim/blenderbim/core/pset.py
index b568e05d29..403955ba7c 100644
--- a/src/blenderbim/blenderbim/core/pset.py
+++ b/src/blenderbim/blenderbim/core/pset.py
@@ -17,11 +17,14 @@
 # along with BlenderBIM Add-on.  If not, see <http://www.gnu.org/licenses/>.
 
 
-def copy_property_to_selection(ifc, pset, obj=None, pset_name=None, prop_name=None, prop_value=None):
+def copy_property_to_selection(ifc, pset, is_pset=True, obj=None, pset_name=None, prop_name=None, prop_value=None):
     element = ifc.get_entity(obj)
     if not element:
         return
     ifc_pset = pset.get_element_pset(element, pset_name)
     if not ifc_pset:
-        ifc_pset = ifc.run("pset.add_pset", product=element, name=pset_name)
-    ifc.run("pset.edit_pset", pset=ifc_pset, properties={prop_name: prop_value})
+        ifc_pset = ifc.run("pset.add_pset" if is_pset else "pset.add_qto", product=element, name=pset_name)
+    if is_pset:
+        ifc.run("pset.edit_pset", pset=ifc_pset, properties={prop_name: prop_value})
+    else:
+        ifc.run("pset.edit_qto", qto=ifc_pset, properties={prop_name: prop_value})
diff --git a/src/blenderbim/test/bim/feature/pset.feature b/src/blenderbim/test/bim/feature/pset.feature
index e5f624ceb0..7a14662c2e 100644
--- a/src/blenderbim/test/bim/feature/pset.feature
+++ b/src/blenderbim/test/bim/feature/pset.feature
@@ -1,7 +1,7 @@
 @pset
 Feature: Pset
 
-Scenario: Copy property to selected
+Scenario: Copy property to selected - copy property
     Given an empty IFC project
     And I add a cube
     And the object "Cube" is selected
@@ -20,3 +20,23 @@ Scenario: Copy property to selected
     And I set "active_object.PsetProperties.properties[2].string_value" to "Foo"
     When I press "bim.copy_property_to_selection(name='FireRating')"
     Then nothing happens
+
+Scenario: Copy property to selected - copy quantity
+    Given an empty IFC project
+    And I add a cube
+    And the object "Cube" is selected
+    And I set "scene.BIMRootProperties.ifc_class" to "IfcWall"
+    And I press "bim.assign_class"
+    And I add a cube
+    And the object "Cube" is selected
+    And I set "scene.BIMRootProperties.ifc_class" to "IfcWall"
+    And I press "bim.assign_class"
+    And the object "IfcWall/Cube" is selected
+    And additionally the object "IfcWall/Cube.001" is selected
+    And I set "active_object.PsetProperties.pset_name" to "Pset_BuildingElementCommon"
+    And I press "bim.add_qto(obj='IfcWall/Cube.001', obj_type='Object')"
+    And the variable "qto" is "{ifc}.by_type('IfcQuantitySet')[-1].id()"
+    And I press "bim.enable_pset_editing(obj='IfcWall/Cube.001', obj_type='Object', pset_id={qto})"
+    And I set "active_object.PsetProperties.properties[0].float_value" to "1"
+    When I press "bim.copy_property_to_selection(name='Length')"
+    Then nothing happens
diff --git a/src/blenderbim/test/core/test_pset.py b/src/blenderbim/test/core/test_pset.py
index f12dc96858..7ef8cff0c4 100644
--- a/src/blenderbim/test/core/test_pset.py
+++ b/src/blenderbim/test/core/test_pset.py
@@ -24,7 +24,7 @@ class TestCopyPropertyToSelection:
     def test_doing_nothing_if_object_is_not_an_element(self, ifc, pset):
         ifc.get_entity("obj").should_be_called().will_return(None)
         subject.copy_property_to_selection(
-            ifc, pset, obj="obj", pset_name="pset_name", prop_name="prop_name", prop_value="prop_value"
+            ifc, pset, is_pset=True, obj="obj", pset_name="pset_name", prop_name="prop_name", prop_value="prop_value"
         )
 
     def test_copying_the_property_to_an_existing_pset(self, ifc, pset):
@@ -32,7 +32,7 @@ class TestCopyPropertyToSelection:
         pset.get_element_pset("element", "pset_name").should_be_called().will_return("pset")
         ifc.run("pset.edit_pset", pset="pset", properties={"prop_name": "prop_value"}).should_be_called()
         subject.copy_property_to_selection(
-            ifc, pset, obj="obj", pset_name="pset_name", prop_name="prop_name", prop_value="prop_value"
+            ifc, pset, is_pset=True, obj="obj", pset_name="pset_name", prop_name="prop_name", prop_value="prop_value"
         )
 
     def test_creating_a_new_pset_if_it_doesnt_exist(self, ifc, pset):
@@ -41,5 +41,22 @@ class TestCopyPropertyToSelection:
         ifc.run("pset.add_pset", product="element", name="pset_name").should_be_called().will_return("pset")
         ifc.run("pset.edit_pset", pset="pset", properties={"prop_name": "prop_value"}).should_be_called()
         subject.copy_property_to_selection(
-            ifc, pset, obj="obj", pset_name="pset_name", prop_name="prop_name", prop_value="prop_value"
+            ifc, pset, is_pset=True, obj="obj", pset_name="pset_name", prop_name="prop_name", prop_value="prop_value"
+        )
+
+    def test_copying_the_quantity_to_an_existing_qto(self, ifc, pset):
+        ifc.get_entity("obj").should_be_called().will_return("element")
+        pset.get_element_pset("element", "qto_name").should_be_called().will_return("qto")
+        ifc.run("pset.edit_qto", qto="qto", properties={"prop_name": "prop_value"}).should_be_called()
+        subject.copy_property_to_selection(
+            ifc, pset, is_pset=False, obj="obj", pset_name="qto_name", prop_name="prop_name", prop_value="prop_value"
+        )
+
+    def test_creating_a_new_qto_if_it_doesnt_exist(self, ifc, pset):
+        ifc.get_entity("obj").should_be_called().will_return("element")
+        pset.get_element_pset("element", "qto_name").should_be_called().will_return(None)
+        ifc.run("pset.add_qto", product="element", name="qto_name").should_be_called().will_return("qto")
+        ifc.run("pset.edit_qto", qto="qto", properties={"prop_name": "prop_value"}).should_be_called()
+        subject.copy_property_to_selection(
+            ifc, pset, is_pset=False, obj="obj", pset_name="qto_name", prop_name="prop_name", prop_value="prop_value"
         )