diff --git a/app/models/concerns/with_dependencies_synchronization.rb b/app/models/concerns/with_dependencies_synchronization.rb
index 0079e7fed836a8d264528c400b291323e5db6f53..ab1a97efea43bb4c3a0dfa1b6bb8263d287c3fef 100644
--- a/app/models/concerns/with_dependencies_synchronization.rb
+++ b/app/models/concerns/with_dependencies_synchronization.rb
@@ -7,7 +7,7 @@ module WithDependenciesSynchronization
     attr_accessor :dependencies_before_save
 
     before_save :compute_dependencies_before_save
-    after_save :cleanup_websites if :dependencies_missing_after_save?
+    after_save :cleanup_websites, if: :dependencies_missing_after_save?
     after_destroy :cleanup_websites
   end
 
@@ -18,6 +18,7 @@ module WithDependenciesSynchronization
   end
 
   def dependencies_missing_after_save?
+    # byebug 
     (@dependencies_before_save - recursive_dependencies_syncable).any?
   end
 
diff --git a/test/models/communication/website/dependency_test.rb b/test/models/communication/website/dependency_test.rb
index e8812d107bdff172b0e27ec0dafe9b578c4db458..6252c5a66ab2cd8459875b5d7acaae76854a851e 100644
--- a/test/models/communication/website/dependency_test.rb
+++ b/test/models/communication/website/dependency_test.rb
@@ -2,14 +2,30 @@ require "test_helper"
 
 # rails test test/models/communication/website/dependency_test.rb
 class Communication::Website::DependencyTest < ActiveSupport::TestCase
-  test "page" do
+  def test_page_dependencies
     # Rien : 0 dépendances
     page = communication_website_pages(:page_with_no_dependency)
     assert_equal 0, page.recursive_dependencies.count
 
-    #  On ajoute un block "Chapitre" : 7 dépendances (les 6 composants du chapitre + le chapitre)
-    page = communication_website_pages(:page_with_no_dependency)
+    #  On ajoute un block "Chapitre" : 7 dépendances (les 6 composants du chapitre + le block lui même)
     page.blocks.create(position: 1, published: true, template_kind: :chapter)
     assert_equal 7, page.recursive_dependencies.count
   end
+
+  def test_change_block_dependencies
+    page = communication_website_pages(:page_with_no_dependency)
+
+    # On ajoute un block "OrganizationChart" lié à Arnaud : 9 dépendances (4 composants du organization_chart + 1 élément du organization_chart (arnaud) + 3 éléments liés à arnaud + le block lui-même)
+    block = page.blocks.create(position: 1, published: true, template_kind: :organization_chart)
+    block.data = "{ \"elements\": [ { \"id\": \"#{arnaud.id}\" } ] }"
+    block.save
+
+    page = page.reload
+
+    assert_equal 9, page.recursive_dependencies.count
+
+    # On modifie le target du block
+    block.data = "{ \"elements\": [ { \"id\": \"#{olivia.id}\" } ] }"
+    block.save
+  end
 end