diff --git a/pyhgvs/__init__.py b/pyhgvs/__init__.py
index b3004b2..b092787 100644
--- a/pyhgvs/__init__.py
+++ b/pyhgvs/__init__.py
@@ -15,7 +15,7 @@
 
 from .models.cdna import CDNACoord
 from .models.genome import GenomeSubset
-from .models.hgvs_name import HGVSName
+from .models.hgvs_name import HGVSName, InvalidHGVSName
 from .models.variants import justify_indel, normalize_variant, revcomp