diff --git a/spec/system/users/linked_dropdown_spec.rb b/spec/system/users/linked_dropdown_spec.rb
index 0ec35ac81..abd747250 100644
--- a/spec/system/users/linked_dropdown_spec.rb
+++ b/spec/system/users/linked_dropdown_spec.rb
@@ -13,32 +13,57 @@ describe 'linked dropdown lists' do
       Secondary 2.3
     END_OF_LIST
   end
-  let(:type_de_champ) { build(:type_de_champ_linked_drop_down_list, libelle: 'linked dropdown', drop_down_list_value: list_items) }
 
   let!(:procedure) do
     create(:procedure, :published, :for_individual, types_de_champ: [type_de_champ])
   end
+  let(:type_de_champ) { build(:type_de_champ_linked_drop_down_list, libelle: 'linked dropdown', drop_down_list_value: list_items, mandatory: mandatory) }
 
   let(:user_dossier) { user.dossiers.first }
+  context 'not mandatory' do
+    let(:mandatory) { false }
+    scenario 'change primary value, secondary options are updated', js: true do
+      log_in(user.email, password, procedure)
 
-  scenario 'change primary value, secondary options are updated', js: true do
-    log_in(user.email, password, procedure)
+      fill_individual
+      expect(page).to have_select("linked dropdown", options: ['', 'Primary 1', 'Primary 2'])
 
-    fill_individual
+      # Select a primary value
+      select('Primary 2', from: 'linked dropdown')
 
-    # Select a primary value
-    select('Primary 2', from: 'linked dropdown')
+      # Secondary menu reflects chosen primary value
+      expect(page).to have_select("Valeur secondaire dépendant de la première", options: ['', 'Secondary 2.1', 'Secondary 2.2', 'Secondary 2.3'])
 
-    # Secondary menu reflects chosen primary value
-    expect(page).to have_select("Valeur secondaire dépendant de la première", options: ['', 'Secondary 2.1', 'Secondary 2.2', 'Secondary 2.3'])
+      # Select another primary value
+      select('Primary 1', from: 'linked dropdown')
 
-    # Select another primary value
-    select('Primary 1', from: 'linked dropdown')
-
-    # Secondary menu gets updated
-    expect(page).to have_select("Valeur secondaire dépendant de la première", options: ['', 'Secondary 1.1', 'Secondary 1.2'])
+      # Secondary menu gets updated
+      expect(page).to have_select("Valeur secondaire dépendant de la première", options: ['', 'Secondary 1.1', 'Secondary 1.2'])
+    end
   end
 
+  context 'mandatory' do
+    let(:mandatory) { true }
+
+    scenario 'change primary value, secondary options are updated', js: true do
+      log_in(user.email, password, procedure)
+
+      fill_individual
+      expect(page).to have_select("linked dropdown", options: ['', 'Primary 1', 'Primary 2'])
+
+      # Select a primary value
+      select('Primary 2', from: 'linked dropdown')
+
+      # Secondary menu reflects chosen primary value
+      expect(page).to have_select("Valeur secondaire dépendant de la première", options: ['', 'Secondary 2.1', 'Secondary 2.2', 'Secondary 2.3'])
+
+      # Select another primary value
+      select('Primary 1', from: 'linked dropdown')
+
+      # Secondary menu gets updated
+      expect(page).to have_select("Valeur secondaire dépendant de la première", options: ['', 'Secondary 1.1', 'Secondary 1.2'])
+    end
+  end
   private
 
   def log_in(email, password, procedure)