diff --git a/geomagio/api/db/metadata_history_table.py b/geomagio/api/db/metadata_history_table.py
index 471869fe132d16a249ca31d283c0235a8e2d10d2..8fbd785c108d7cebbfa7657f8da6b3bc06cc43c8 100644
--- a/geomagio/api/db/metadata_history_table.py
+++ b/geomagio/api/db/metadata_history_table.py
@@ -4,7 +4,7 @@ from .common import sqlalchemy_metadata
 from .metadata_table import metadata
 
 # create copy of original metadata table and add to sqlalchemy metadata
-metadata_history = metadata.tometadata(
+metadata_history = metadata.to_metadata(
     metadata=sqlalchemy_metadata, name="metadata_history"
 )
 metadata_history.indexes.clear()