diff --git a/spec/sequencescape_excel/specialised_field_spec.rb b/spec/sequencescape_excel/specialised_field_spec.rb
index e1c1d4319e..6079b25665 100644
--- a/spec/sequencescape_excel/specialised_field_spec.rb
+++ b/spec/sequencescape_excel/specialised_field_spec.rb
@@ -677,7 +677,7 @@ def self.name
         it 'will be not be valid' do
           expect(sf_dual_index_tag_set).not_to be_valid
           expect(sf_dual_index_tag_set.errors.full_messages.join).to include(
-            "could not find a Tag Set with name 'bananas'."
+            "could not find a visible dual index Tag Set with name 'bananas'."
           )
         end
       end