diff --git a/spec/models/conversation_spec.rb b/spec/models/conversation_spec.rb
index 2f79b08f2c81..0ca7303ef0a2 100644
--- a/spec/models/conversation_spec.rb
+++ b/spec/models/conversation_spec.rb
@@ -156,7 +156,7 @@
                                                                  changed_attributes: nil, performed_by: nil)
       expect(Rails.configuration.dispatcher).to have_received(:dispatch)
         .with(described_class::ASSIGNEE_CHANGED, kind_of(Time), conversation: conversation, notifiable_assignee_change: true,
-                                                                changed_attributes: nil, performed_by: nil)
+                                                                changed_attributes: changed_attributes, performed_by: nil)
       expect(Rails.configuration.dispatcher).to have_received(:dispatch)
         .with(described_class::CONVERSATION_UPDATED, kind_of(Time), conversation: conversation, notifiable_assignee_change: true,
                                                                     changed_attributes: changed_attributes, performed_by: nil)