diff --git a/app/controllers/new_administrateur/experts_procedures_controller.rb b/app/controllers/new_administrateur/experts_procedures_controller.rb
index 1b965f0dc..0a246ed12 100644
--- a/app/controllers/new_administrateur/experts_procedures_controller.rb
+++ b/app/controllers/new_administrateur/experts_procedures_controller.rb
@@ -33,7 +33,7 @@ module NewAdministrateur
     end
 
     def revoke_expert_from_procedure
-      expert_procedure = ExpertsProcedure.find_by!(procedure: @procedure, id: params[:expert_procedure][:id])
+      expert_procedure = ExpertsProcedure.find_by!(procedure: @procedure, id: params[:id])
       expert_email = expert_procedure.expert.email
       expert_procedure.update!(revoked_at: Time.zone.now)
       flash[:notice] = "#{expert_email} a été révoqué de la démarche et ne pourra plus déposer d'avis."
diff --git a/config/routes.rb b/config/routes.rb
index 81156cf26..9ae110e28 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -408,8 +408,6 @@ Rails.application.routes.draw do
       post 'transfer' => 'procedures#transfer', as: :transfer
       get 'invited_expert_list'
       put 'update_allow_decision_access' => 'procedures#update_allow_decision_access', as: :update_allow_decision_access
-      post 'add_expert_to_procedure' => 'experts_procedures#add_expert_to_procedure', as: :add_expert_to_procedure
-      put 'revoke_expert_from_procedure' => 'experts_procedures#revoke_expert_from_procedure', as: :revoke_expert_from_procedure
       resources :mail_templates, only: [:edit, :update]
 
       resources :groupe_instructeurs, only: [:index, :show, :create, :update, :destroy] do
@@ -427,6 +425,11 @@ Rails.application.routes.draw do
 
       resources :administrateurs, controller: 'procedure_administrateurs', only: [:index, :create, :destroy]
 
+      resources :experts, controller: 'experts_procedures', only: [] do
+        post :add_expert_to_procedure, on: :collection
+        delete :revoke_expert_from_procedure, on: :member
+      end
+
       resources :types_de_champ, only: [:create, :update, :destroy] do
         member do
           patch :move
diff --git a/spec/controllers/new_administrateur/experts_procedures_controller_spec.rb b/spec/controllers/new_administrateur/experts_procedures_controller_spec.rb
index 39e28e3f9..41a0b637e 100644
--- a/spec/controllers/new_administrateur/experts_procedures_controller_spec.rb
+++ b/spec/controllers/new_administrateur/experts_procedures_controller_spec.rb
@@ -32,7 +32,7 @@ describe NewAdministrateur::ExpertsProceduresController, type: :controller do
     let(:expert_procedure) { ExpertsProcedure.create(expert: expert, procedure: procedure) }
 
     subject do
-      put :revoke_expert_from_procedure, params: { procedure_id: procedure.id, expert_procedure: { id: expert_procedure.id } }
+      delete :revoke_expert_from_procedure, params: { procedure_id: procedure.id, id: expert_procedure.id }
     end
 
     before do