diff --git a/app/models/custom_workflow.rb b/app/models/custom_workflow.rb
index 44a1c6e..833d60b 100644
--- a/app/models/custom_workflow.rb
+++ b/app/models/custom_workflow.rb
@@ -21,12 +21,12 @@
 
 # Custom workflow model
 class CustomWorkflow < ApplicationRecord
-  OBSERVABLES = %i[issue issue_relation issue_attachments user attachment group group_users project project_attachments
+  OBSERVABLES = %i[issue issue_relation issue_attachments user member attachment group group_users project project_attachments
                    wiki_content wiki_page_attachments time_entry version shared].freeze
   PROJECT_OBSERVABLES = %i[issue issue_attachments project project_attachments wiki_content wiki_page_attachments
                            time_entry version].freeze
   COLLECTION_OBSERVABLES = %i[group_users issue_attachments project_attachments wiki_page_attachments].freeze
-  SINGLE_OBSERVABLES = %i[issue issue_relation user group attachment project wiki_content time_entry version].freeze
+  SINGLE_OBSERVABLES = %i[issue issue_relation user member group attachment project wiki_content time_entry version].freeze
 
   acts_as_list