diff --git a/CHANGELOG.md b/CHANGELOG.md
index caa42abbc..5cb635acb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog Fab-manager
 
+## next release
+
+- Fix a bug: unable to sync projects with openprojects
+
+- [TODO DEPLOY] `rails fablab:openlab:bulk_export`
+- [TODO DEPLOY] `rails fablab:openlab:bulk_update`
+
 ## v6.1.0 2023 September 25
 
 - improves api/notification controller to avoid failing when there is a notification with wrong notification_type in db
diff --git a/app/services/open_lab_service.rb b/app/services/open_lab_service.rb
index 0aae0d0ec..c05385e76 100644
--- a/app/services/open_lab_service.rb
+++ b/app/services/open_lab_service.rb
@@ -3,8 +3,6 @@
 # Provides methods to sync projects on OpenLab
 class OpenLabService
   class << self
-    include ActionView::Helpers::SanitizeHelper
-
     def to_hash(project)
       {
         id: project.id,
@@ -20,9 +18,9 @@ class OpenLabService
         steps_body: steps_body(project),
         image_path: project.project_image&.attachment&.medium&.url,
         project_path: "/#!/projects/#{project.slug}",
-        updated_at: project.updated_at.to_s(:iso8601),
-        created_at: project.created_at.to_s(:iso8601),
-        published_at: project.published_at.to_s(:iso8601)
+        updated_at: project.updated_at.to_fs(:iso8601),
+        created_at: project.created_at.to_fs(:iso8601),
+        published_at: project.published_at.to_fs(:iso8601)
       }
     end
 
@@ -32,7 +30,7 @@ class OpenLabService
                                   .gsub("\r\n", ' ').gsub("\n\r", ' ')
                                   .gsub("\n", ' ').gsub("\r", ' ').gsub("\t", ' ')
 
-      strip_tags(concatenated_steps).strip
+      ActionController::Base.helpers.strip_tags(concatenated_steps).strip
     end
   end
 end
diff --git a/test/services/open_lab_service_test.rb b/test/services/open_lab_service_test.rb
new file mode 100644
index 000000000..03de1a5bd
--- /dev/null
+++ b/test/services/open_lab_service_test.rb
@@ -0,0 +1,16 @@
+# frozen_string_literal: true
+
+require 'test_helper'
+
+# In the following tests, amounts are expressed in centimes, ie. 1000 = 1000 cts = 10,00 EUR
+class OpenLabServiceTest < ActiveSupport::TestCase
+  test "do not raise any error" do
+    h = nil
+
+    assert_nothing_raised do
+      h = OpenLabService.to_hash(projects(:project_1))
+    end
+
+    assert_instance_of Hash, h
+  end
+end
\ No newline at end of file