diff --git a/haystack/preview/__init__.py b/haystack/preview/__init__.py
index 38d9f89edd..197a6118b1 100644
--- a/haystack/preview/__init__.py
+++ b/haystack/preview/__init__.py
@@ -1,3 +1,3 @@
 from canals import component, Pipeline
-from canals.serialization import default_from_dict, default_to_dict
+from canals.serialization import default_from_dict, default_to_dict, DeserializationError
 from haystack.preview.dataclasses import *