diff --git a/app/models/logic/champ_value.rb b/app/models/logic/champ_value.rb
index e478aed1e..5a096f381 100644
--- a/app/models/logic/champ_value.rb
+++ b/app/models/logic/champ_value.rb
@@ -53,8 +53,6 @@ class Logic::ChampValue < Logic::Term
       targeted_champ.selected_options
     when "Champs::DepartementChamp", "Champs::RegionChamp"
       targeted_champ.code
-    when "Champs::CommuneChamp", "Champs::EpciChamp"
-      targeted_champ.code_departement
     end
   end
 
diff --git a/spec/models/routing_engine_spec.rb b/spec/models/routing_engine_spec.rb
index 4692638d7..23308d999 100644
--- a/spec/models/routing_engine_spec.rb
+++ b/spec/models/routing_engine_spec.rb
@@ -122,7 +122,7 @@ describe RoutingEngine, type: :model do
 
       context 'with a matching rule' do
         before do
-          gi_2.update(routing_rule: ds_eq(champ_value(communes_tdc.stable_id), constant('92')))
+          gi_2.update(routing_rule: ds_in_departement(champ_value(communes_tdc.stable_id), constant('92')))
           dossier.champs.first.update(code_postal: '92500', external_id: '92063')
         end
 
@@ -141,7 +141,7 @@ describe RoutingEngine, type: :model do
 
       context 'with a matching rule' do
         before do
-          gi_2.update(routing_rule: ds_eq(champ_value(epci_tdc.stable_id), constant('42')))
+          gi_2.update(routing_rule: ds_in_departement(champ_value(epci_tdc.stable_id), constant('42')))
           dossier.champs.first.update_columns(
             external_id: 244200895,
             value: 'CC du Pilat Rhodanien',