diff --git a/app/models/logic/binary_operator.rb b/app/models/logic/binary_operator.rb
index 0a0d3e54c98..812fa0605b1 100644
--- a/app/models/logic/binary_operator.rb
+++ b/app/models/logic/binary_operator.rb
@@ -37,6 +37,8 @@ def compute(champs = [])
     l = @left.compute(champs)
     r = @right.compute(champs)
 
+    l = l[:value] if l.is_a?(Hash)
+
     l&.send(operation, r) || false
   end
 
diff --git a/app/models/logic/champ_value.rb b/app/models/logic/champ_value.rb
index 5a096f3817b..a9638001b6f 100644
--- a/app/models/logic/champ_value.rb
+++ b/app/models/logic/champ_value.rb
@@ -51,19 +51,18 @@ def compute(champs)
       targeted_champ.selected
     when "Champs::MultipleDropDownListChamp"
       targeted_champ.selected_options
-    when "Champs::DepartementChamp", "Champs::RegionChamp"
+    when "Champs::RegionChamp"
       targeted_champ.code
-    end
-  end
-
-  def compute_value_json(champs)
-    targeted_champ = champ(champs)
-
-    return nil if !targeted_champ.visible?
-    return nil if targeted_champ.blank? & !targeted_champ.drop_down_other?
-
-    if targeted_champ.type.in?(["Champs::CommuneChamp", "Champs::EpciChamp", "Champs::DepartementChamp"])
-      targeted_champ.value_json
+    when "Champs::DepartementChamp"
+      {
+        value: targeted_champ.code,
+        code_region: targeted_champ.code_region
+      }
+    when "Champs::CommuneChamp", "Champs::EpciChamp"
+      {
+        code_departement: targeted_champ.code_departement,
+        code_region: targeted_champ.code_region
+      }
     end
   end
 
diff --git a/app/models/logic/in_departement_operator.rb b/app/models/logic/in_departement_operator.rb
index 47ab24b2c74..ee9532b36c5 100644
--- a/app/models/logic/in_departement_operator.rb
+++ b/app/models/logic/in_departement_operator.rb
@@ -4,12 +4,12 @@ def operation
   end
 
   def compute(champs = [])
-    l = @left.compute_value_json(champs)
+    l = @left.compute(champs)
     r = @right.compute(champs)
 
     return false if l.nil?
 
-    l.fetch("code_departement") == r
+    l.fetch(:code_departement) == r
   end
 
   def errors(type_de_champs = [])
diff --git a/app/models/logic/in_region_operator.rb b/app/models/logic/in_region_operator.rb
index 4e8221412dd..54625e98770 100644
--- a/app/models/logic/in_region_operator.rb
+++ b/app/models/logic/in_region_operator.rb
@@ -4,12 +4,12 @@ def operation
   end
 
   def compute(champs)
-    l = @left.compute_value_json(champs)
+    l = @left.compute(champs)
     r = @right.compute(champs)
 
     return false if l.nil?
 
-    l.fetch("code_region") == r
+    l.fetch(:code_region) == r
   end
 
   def errors(type_de_champs = [])
diff --git a/app/models/logic/not_in_departement_operator.rb b/app/models/logic/not_in_departement_operator.rb
index 83c598be6cf..472ef6c1807 100644
--- a/app/models/logic/not_in_departement_operator.rb
+++ b/app/models/logic/not_in_departement_operator.rb
@@ -4,11 +4,11 @@ def operation
   end
 
   def compute(champs = [])
-    l = @left.compute_value_json(champs)
+    l = @left.compute(champs)
     r = @right.compute(champs)
 
     return false if l.nil?
 
-    l.fetch("code_departement") != r
+    l.fetch(:code_departement) != r
   end
 end
diff --git a/app/models/logic/not_in_region_operator.rb b/app/models/logic/not_in_region_operator.rb
index ac715d3978f..3bdac4d85e1 100644
--- a/app/models/logic/not_in_region_operator.rb
+++ b/app/models/logic/not_in_region_operator.rb
@@ -4,11 +4,11 @@ def operation
   end
 
   def compute(champs)
-    l = @left.compute_value_json(champs)
+    l = @left.compute(champs)
     r = @right.compute(champs)
 
     return false if l.nil?
 
-    l.fetch("code_region") != r
+    l.fetch(:code_region) != r
   end
 end
diff --git a/spec/models/logic/champ_value_spec.rb b/spec/models/logic/champ_value_spec.rb
index 805e4436eca..254ac5bed12 100644
--- a/spec/models/logic/champ_value_spec.rb
+++ b/spec/models/logic/champ_value_spec.rb
@@ -93,7 +93,7 @@
       let(:champ) { create(:champ_departements, value: '02') }
 
       it { expect(champ_value(champ.stable_id).type([champ.type_de_champ])).to eq(:departement_enum) }
-      it { is_expected.to eq('02') }
+      it { is_expected.to eq({ value: '02', code_region: '32' }) }
     end
 
     context 'region tdc' do
@@ -102,6 +102,23 @@
       it { is_expected.to eq('04') }
     end
 
+    context 'commune tdc' do
+      let(:champ) { create(:champ_communes, code_postal: '92500', external_id: '92063') }
+
+      it { is_expected.to eq({ code_departement: '92', code_region: '11' }) }
+    end
+
+    context 'epci tdc' do
+      let(:champ) { build(:champ_epci, code_departement: '43') }
+
+      before do
+        champ.save!
+        champ.update_columns(external_id: '244301016', value: 'CC des Sucs')
+      end
+
+      it { is_expected.to eq({ code_departement: '43', code_region: '84' }) }
+    end
+
     describe 'errors' do
       let(:champ) { create(:champ) }
 
@@ -140,32 +157,4 @@
       end
     end
   end
-
-  describe '#compute_value_json' do
-    subject { champ_value(champ.stable_id).compute_value_json([champ]) }
-
-    context 'commune tdc' do
-      let(:champ) { create(:champ_communes, code_postal: '92500', external_id: '92063') }
-
-      it { is_expected.to eq({ 'code_departement' => '92', 'code_postal' => '92500', 'code_region' => '11' }) }
-    end
-
-    context 'epci tdc' do
-      let(:champ) { build(:champ_epci, code_departement: '43') }
-
-      before do
-        champ.save!
-        champ.update_columns(external_id: '244301016', value: 'CC des Sucs')
-      end
-
-      it { is_expected.to eq({ 'code_departement' => '43', 'code_region' => '84' }) }
-    end
-
-    context 'departement tdc' do
-      let(:champ) { create(:champ_departements, value: '02') }
-
-      it { expect(champ_value(champ.stable_id).type([champ.type_de_champ])).to eq(:departement_enum) }
-      it { is_expected.to eq({ 'code_region' => '32' }) }
-    end
-  end
 end