diff --git a/app/services/ckan/v26/inspire_mapper.rb b/app/services/ckan/v26/inspire_mapper.rb
index 2f8962e7..ba9ddc7a 100644
--- a/app/services/ckan/v26/inspire_mapper.rb
+++ b/app/services/ckan/v26/inspire_mapper.rb
@@ -11,7 +11,7 @@ def call(package)
           coupled_resource: package.get_extra("coupled-resource"),
           dataset_reference_date: package.get_extra("dataset-reference-date"),
           frequency_of_update: package.get_extra("frequency-of-update"),
-          harvest_object_id: package.get_extra("harvest_object_id") || package.get_harvest("harvest_object_id"),
+          harvest_object_id: package.get_harvest("harvest_object_id") || package.get_extra("harvest_object_id"),
           harvest_source_reference: package.get_extra("harvest_source_reference"),
           import_source: package.get_extra("import_source"),
           metadata_date: package.get_extra("metadata-date", 10),