diff --git a/app/components/procedure/one_groupe_management_component.rb b/app/components/procedure/one_groupe_management_component.rb
index f1b8aa0e1..172821364 100644
--- a/app/components/procedure/one_groupe_management_component.rb
+++ b/app/components/procedure/one_groupe_management_component.rb
@@ -17,6 +17,10 @@ class Procedure::OneGroupeManagementComponent < ApplicationComponent
     @groupe_instructeur.routing_rule&.right || empty
   end
 
+  def operator_name
+    @groupe_instructeur.routing_rule&.class&.name || empty
+  end
+
   def targeted_champ_tag
     select_tag(
       'targeted_champ',
@@ -39,6 +43,15 @@ class Procedure::OneGroupeManagementComponent < ApplicationComponent
       .map { |tdc| [tdc.libelle, champ_value(tdc.stable_id).to_json] }
   end
 
+  def operator_tag
+    select_tag('operator_name',
+      options_for_select(
+        [['est égal à', Logic::Eq.name], ["n'est pas égal à", Logic::NotEq.name]],
+        selected: operator_name
+      ),
+      class: 'fr-select')
+  end
+
   def value_tag
     select_tag(
       'value',
diff --git a/app/components/procedure/one_groupe_management_component/one_groupe_management_component.html.haml b/app/components/procedure/one_groupe_management_component/one_groupe_management_component.html.haml
index 3df93fb48..0aa12ca39 100644
--- a/app/components/procedure/one_groupe_management_component/one_groupe_management_component.html.haml
+++ b/app/components/procedure/one_groupe_management_component/one_groupe_management_component.html.haml
@@ -40,7 +40,8 @@
       .fr-mr-2w.no-wrap si le champ
       .target.fr-mr-2w
         = targeted_champ_tag
-      .operator.fr-mr-2w.no-wrap est égal à
+      .operator.fr-mr-2w.no-wrap
+        = operator_tag
       .value
         = value_tag
     .fr-hint-text
diff --git a/app/controllers/administrateurs/routing_controller.rb b/app/controllers/administrateurs/routing_controller.rb
index 0e87ede8b..3e047cdbf 100644
--- a/app/controllers/administrateurs/routing_controller.rb
+++ b/app/controllers/administrateurs/routing_controller.rb
@@ -9,7 +9,13 @@ module Administrateurs
 
       right = targeted_champ_changed? ? empty : value
 
-      groupe_instructeur.update!(routing_rule: ds_eq(left, right))
+      new_routing_rule = case operator_name
+      when Eq.name
+        ds_eq(left, right)
+      when NotEq.name
+        ds_not_eq(left, right)
+      end
+      groupe_instructeur.update!(routing_rule: new_routing_rule)
     end
 
     def update_defaut_groupe_instructeur
@@ -27,6 +33,10 @@ module Administrateurs
       Logic.from_json(params[:targeted_champ])
     end
 
+    def operator_name
+      params[:operator_name]
+    end
+
     def value
       Logic.from_json(params[:value])
     end
diff --git a/spec/controllers/administrateurs/routing_controller_spec.rb b/spec/controllers/administrateurs/routing_controller_spec.rb
index 03eb31d36..effa2b7a7 100644
--- a/spec/controllers/administrateurs/routing_controller_spec.rb
+++ b/spec/controllers/administrateurs/routing_controller_spec.rb
@@ -11,6 +11,7 @@ describe Administrateurs::RoutingController, type: :controller do
       {
         procedure_id: procedure.id,
         targeted_champ: champ_value(drop_down_tdc.stable_id).to_json,
+        operator_name: Logic::Eq.name,
         value: empty.to_json,
         groupe_instructeur_id: gi_2.id
       }