diff --git a/workbench_utils.py b/workbench_utils.py
index 52a60732..d4951581 100644
--- a/workbench_utils.py
+++ b/workbench_utils.py
@@ -6788,7 +6788,7 @@ def serialize_field_json(config, field_definitions, field_name, field_data):
         serialized_field = workbench_fields.EntityReferenceField()
         csv_field_data = serialized_field.serialize(config, field_definitions, field_name, field_data)
     # Entity reference revision fields (mostly paragraphs).
-    if field_definitions[field_name]['field_type'] == 'entity_reference_revisions':
+    elif field_definitions[field_name]['field_type'] == 'entity_reference_revisions':
         serialized_field = workbench_fields.EntityReferenceRevisionsField()
         csv_field_data = serialized_field.serialize(config, field_definitions, field_name, field_data)
     # Typed relation fields (currently, only taxonomy term)