diff --git a/src/compas_timber/utils/helpers.py b/src/compas_timber/utils/helpers.py
index 3fb4802ea..f36cb2aef 100644
--- a/src/compas_timber/utils/helpers.py
+++ b/src/compas_timber/utils/helpers.py
@@ -35,7 +35,7 @@ def are_objects_identical(object1, object2, attributes_to_compare):
 
     """
 
-    if type(object1) != type(object2):
+    if type(object1) is type(object2):
         return False
 
     def _get_val(obj, attr_name):