diff --git a/app/controllers/administrateurs/referentiels_controller.rb b/app/controllers/administrateurs/referentiels_controller.rb
index c656633b151..f93bc0f7cd1 100644
--- a/app/controllers/administrateurs/referentiels_controller.rb
+++ b/app/controllers/administrateurs/referentiels_controller.rb
@@ -38,6 +38,15 @@ def mapping_type_de_champ
       @service.test
     end
 
+    def update_mapping_type_de_champ
+      flash = if @type_de_champ.update(type_de_champ_mapping_params)
+        { notice: "ok" }
+      else
+        { alert: "ko" }
+      end
+      redirect_to mapping_type_de_champ_admin_procedure_referentiel_path(@procedure, @type_de_champ.stable_id, @referentiel), flash:
+    end
+
     private
 
     def type_de_champ_mapping_params
diff --git a/app/models/type_de_champ.rb b/app/models/type_de_champ.rb
index 3e3c91cbaff..43bffec864e 100644
--- a/app/models/type_de_champ.rb
+++ b/app/models/type_de_champ.rb
@@ -139,7 +139,8 @@ class TypeDeChamp < ApplicationRecord
                  :expression_reguliere_error_message,
                  :collapsible_explanation_enabled,
                  :collapsible_explanation_text,
-                 :header_section_level
+                 :header_section_level,
+                 :referentiel_mapping
 
   has_many :revision_types_de_champ, -> { revision_ordered }, class_name: 'ProcedureRevisionTypeDeChamp', dependent: :destroy, inverse_of: :type_de_champ
 
diff --git a/config/routes.rb b/config/routes.rb
index 7dc13829e71..02197d03db3 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -749,6 +749,7 @@
       resources :referentiels, only: [:new, :create, :edit, :update], path: ':stable_id' do
         member do
           get :mapping_type_de_champ
+          patch :update_mapping_type_de_champ
         end
       end
 
diff --git a/spec/controllers/administrateurs/referentiels_controller_spec.rb b/spec/controllers/administrateurs/referentiels_controller_spec.rb
index 6e3ec4217f4..dcd4edad340 100644
--- a/spec/controllers/administrateurs/referentiels_controller_spec.rb
+++ b/spec/controllers/administrateurs/referentiels_controller_spec.rb
@@ -126,4 +126,29 @@
       end
     end
   end
+
+  describe '#update_mapping_type_de_champ' do
+    let(:type_de_champ) { procedure.draft_revision.types_de_champ.first }
+    let(:referentiel) { create(:api_referentiel, :configured, types_de_champ: [type_de_champ]) }
+    let(:referentiel_mapping) do
+      [
+        {
+          jsonpath: "jsonpath",
+          type: "type",
+          prefill: "prefill",
+          libelle: "libelle"
+        }
+      ]
+    end
+    it 'update type de champ referentiel_mapping' do
+      expect do
+       patch :update_mapping_type_de_champ, params: {
+         procedure_id: procedure.id,
+         stable_id: stable_id,
+         id: referentiel.id,
+         type_de_champ: { referentiel_mapping: }
+       }
+     end.to change { type_de_champ.reload.referentiel_mapping }.from(nil).to(referentiel_mapping)
+    end
+  end
 end