diff --git a/force_bdss/api.py b/force_bdss/api.py
index 68281c47003542667da103dc5e8b45c93646906e..d5567d689ee41c7e0c88db1aa19c5048f6d3e4fc 100644
--- a/force_bdss/api.py
+++ b/force_bdss/api.py
@@ -1,6 +1,7 @@
 from .base_extension_plugin import BaseExtensionPlugin  # noqa
 from .ids import plugin_id, factory_id  # noqa
 
+from .core.base_factory import BaseFactory  # noqa
 from .core.data_value import DataValue  # noqa
 from .core.workflow import Workflow  # noqa
 from .core.slot import Slot  # noqa