diff --git a/hyperon_das_atomdb/__init__.py b/hyperon_das_atomdb/__init__.py
index f2531161..9890d221 100644
--- a/hyperon_das_atomdb/__init__.py
+++ b/hyperon_das_atomdb/__init__.py
@@ -1,3 +1,4 @@
 from .database import UNORDERED_LINK_TYPES, WILDCARD, AtomDB
+from .exceptions import NodeDoesNotExistException
 
-__all__ = ['AtomDB', 'WILDCARD', 'UNORDERED_LINK_TYPES']
+__all__ = ['AtomDB', 'WILDCARD', 'UNORDERED_LINK_TYPES', 'NodeDoesNotExistException']