diff --git a/nexus_constructor/json/transformation_reader.py b/nexus_constructor/json/transformation_reader.py
index bb7086667..9fd90c7af 100644
--- a/nexus_constructor/json/transformation_reader.py
+++ b/nexus_constructor/json/transformation_reader.py
@@ -306,7 +306,7 @@ def _create_transformations(self, json_transformations: list):
             depends_on = _find_attribute_from_list_or_dict(
                 CommonAttrs.DEPENDS_ON, attributes
             )
-            if depends_on not in [".", ""]:
+            if depends_on not in [".", "", None]:
                 if depends_on[0] != "/":
                     depends_on = self.parent_component.absolute_path + "/transformations/" + depends_on
 
diff --git a/tests/json/test_transformation_reader.py b/tests/json/test_transformation_reader.py
index 70565c250..c4b9d6847 100644
--- a/tests/json/test_transformation_reader.py
+++ b/tests/json/test_transformation_reader.py
@@ -128,6 +128,7 @@ def attributes_list(transformation_json):
 def transformation_reader(transformation_json):
     parent_component = Mock(spec=Component)
     parent_component.name = PARENT_COMPONENT_NAME
+    parent_component.absolute_path = "/entry/" + parent_component.name
     entry = [transformation_json]
     transforms_with_dependencies: Dict[
         TransformId, Tuple[Transformation, TransformId]