diff --git a/lib/zizia/hyrax/hyrax_record_importer.rb b/lib/zizia/hyrax/hyrax_record_importer.rb
index 24558d8..765c3d3 100644
--- a/lib/zizia/hyrax/hyrax_record_importer.rb
+++ b/lib/zizia/hyrax/hyrax_record_importer.rb
@@ -60,7 +60,7 @@ def find_collection_id(csv_import_detail:, record:)
       if csv_import_detail&.collection_id&.present?
         csv_import_detail.collection_id
       elsif record&.parent&.first
-        Collection.where(deduplication_key: "def/123")&.first&.id
+        Collection.where("#{deduplication_field}": record.parent.first)&.first&.id
       end
     end
 
diff --git a/spec/dummy/spec/system/import_from_csv_spec.rb b/spec/dummy/spec/system/import_from_csv_spec.rb
index 84351ad..ebf0a67 100644
--- a/spec/dummy/spec/system/import_from_csv_spec.rb
+++ b/spec/dummy/spec/system/import_from_csv_spec.rb
@@ -228,7 +228,7 @@
       end
 
       context 'with an existing collection' do
-        let(:collection) { FactoryBot.build(:collection, title: ['Testing Collection'], deduplication_key: 'def/123') }
+        let(:collection) { FactoryBot.build(:collection, title: ['Testing Collection'], identifier: ['def/123']) }
         before do
           collection.save!
         end
@@ -245,7 +245,7 @@
           expect(Work.count).to eq 1
           # Ensure that all the fields got assigned as expected
           work = Work.where(title: "*haberdashery*").first
-          expect(collection.deduplication_key).to eq 'def/123'
+          expect(collection.identifier&.first).to eq 'def/123'
           expect(work.member_of_collection_ids).to eq [collection.id]
         end
       end