diff --git a/app/models/question_glisser_deposer.rb b/app/models/question_glisser_deposer.rb
index 3840a6a6f..04c605d7a 100644
--- a/app/models/question_glisser_deposer.rb
+++ b/app/models/question_glisser_deposer.rb
@@ -24,20 +24,16 @@ def base_json
   end
 
   def audio_fields
-    fields = { 'audio_url' => audio_principal }
-    if transcription_intitule&.ecrit.blank? && transcription_intitule&.audio_url
-      fields['intitule_audio'] = transcription_intitule&.audio_url
+    fields = {}
+    if transcription_intitule&.complete?
+      fields['audio_url'] = transcription_intitule.audio_url
+    elsif transcription_modalite_reponse&.complete?
+      fields['audio_url'] = transcription_modalite_reponse&.audio_url
+      fields['intitule_url'] = transcription_intitule&.audio_url
     end
     fields
   end
 
-  def audio_principal
-    return unless transcription_intitule.complete? || transcription_modalite_reponse.complete?
-    return transcription_intitule.audio_url if transcription_intitule.complete?
-
-    transcription_modalite_reponse.audio_url
-  end
-
   def reponses_fields
     reponses_non_classees = reponses.to_a.shuffle.map do |reponse|
       illustration_url = cdn_for(reponse.illustration) if reponse.illustration.attached?
diff --git a/spec/models/question_glisser_deposer_spec.rb b/spec/models/question_glisser_deposer_spec.rb
index 1d4d8dfff..8021ed5a2 100644
--- a/spec/models/question_glisser_deposer_spec.rb
+++ b/spec/models/question_glisser_deposer_spec.rb
@@ -5,38 +5,76 @@
 describe QuestionGlisserDeposer, type: :model do
   it { is_expected.to have_many(:reponses).with_foreign_key(:question_id) }
 
-  describe '#as_json' do
-    let(:question) do
-      create(:question_glisser_deposer,
-             illustration: Rack::Test::UploadedFile.new(
-               Rails.root.join('spec/support/programme_tele.png')
-             ))
-    end
-    let!(:modalite) do
-      create(:transcription, :avec_audio, question_id: question.id,
-                                          categorie: :modalite_reponse)
-    end
-    let!(:reponse1) { create(:choix, :avec_illustration, :bon, question_id: question.id) }
-    let!(:reponse2) { create(:choix, :avec_illustration, :bon, question_id: question.id) }
-    let(:json) { question.as_json }
+  let(:question) do
+    create(:question_glisser_deposer,
+           illustration: Rack::Test::UploadedFile.new(
+             Rails.root.join('spec/support/programme_tele.png')
+           ))
+  end
+  let!(:reponse1) { create(:choix, :avec_illustration, :bon, question_id: question.id) }
+  let!(:reponse2) { create(:choix, :avec_illustration, :bon, question_id: question.id) }
+  let!(:modalite) do
+    create(:transcription, :avec_audio, question_id: question.id,
+                                        categorie: :modalite_reponse)
+  end
+  let(:json) { question.as_json }
 
+  describe '#as_json' do
     it 'serialise les champs' do
-      intitule = create(:transcription, :avec_audio, question_id: question.id,
-                                                     ecrit: 'Mon Intitulé')
       expect(json.keys).to match_array(%w[id intitule audio_url nom_technique
                                           description illustration modalite_reponse type
-                                          reponsesNonClassees])
+                                          reponsesNonClassees intitule_url])
       expect(json['type']).to eql('glisser-deposer-billets')
-      expect(json['intitule']).to eql('Mon Intitulé')
       expect(json['modalite_reponse']).to eql(modalite.ecrit)
       expect(json['illustration']).to eql(Rails.application.routes.url_helpers.url_for(
                                             question.illustration
                                           ))
-      expect(json['audio_url']).to eql(Rails.application.routes.url_helpers.url_for(
-                                         intitule.audio
-                                       ))
       expect(json['reponsesNonClassees'].size).to eql(2)
       expect(json['reponsesNonClassees'].first['illustration']).to_not be(nil)
     end
   end
+
+  describe 'les audios' do
+    context 'quand il y a une modalité de réponse compléte' do
+      context 'avec un intitulé complet' do
+        let!(:intitule) do
+          create(:transcription, :avec_audio, question_id: question.id,
+                                              ecrit: 'Mon Intitulé')
+        end
+        it do
+          expect(json['audio_url']).to eql(Rails.application.routes.url_helpers.url_for(
+                                             intitule.audio
+                                           ))
+          expect(json['intitule']).to eql('Mon Intitulé')
+          expect(json['intitule_url']).to eql(nil)
+        end
+      end
+
+      context 'sans intitulé' do
+        it do
+          expect(json['audio_url']).to eql(Rails.application.routes.url_helpers.url_for(
+                                             modalite.audio
+                                           ))
+          expect(json['intitule']).to eql(nil)
+          expect(json['intitule_url']).to eql(nil)
+        end
+      end
+
+      context 'avec un intitulé incomplet' do
+        let!(:intitule) do
+          create(:transcription, :avec_audio, question_id: question.id,
+                                              ecrit: nil)
+        end
+        it do
+          expect(json['audio_url']).to eql(Rails.application.routes.url_helpers.url_for(
+                                             modalite.audio
+                                           ))
+          expect(json['intitule']).to eql(nil)
+          expect(json['intitule_url']).to eql(Rails.application.routes.url_helpers.url_for(
+                                                intitule.audio
+                                              ))
+        end
+      end
+    end
+  end
 end