diff --git a/backend/internal/handler/api/v1/conversation_handler_test.go b/backend/internal/handler/api/v1/conversation_handler_test.go
index 1d1f04c5..7ddf5471 100644
--- a/backend/internal/handler/api/v1/conversation_handler_test.go
+++ b/backend/internal/handler/api/v1/conversation_handler_test.go
@@ -878,7 +878,9 @@ func (s *ConversationHandlerTestSuite) TestUpdateLastSeen_SuccessMarksNotificati
 	req, _ := http.NewRequest("POST", fmt.Sprintf("/api/v1/accounts/%d/conversations/%d/update_last_seen", s.testAccount.ID, s.testConv.ID), nil)
 	s.router.ServeHTTP(w, req)
 	assert.Equal(s.T(), http.StatusOK, w.Code)
-	assert.Empty(s.T(), w.Body.String())
+	var response chatwootConversationPayload
+	s.Require().NoError(json.Unmarshal(w.Body.Bytes(), &response))
+	assert.Equal(s.T(), s.testConv.ID, response.ID)
 
 	var conversation model.Conversation
 	s.Require().NoError(s.db.First(&conversation, s.testConv.ID).Error)
@@ -905,7 +907,9 @@ func (s *ConversationHandlerTestSuite) TestUpdateLastSeen_DisplayIDRouteMarksNot
 	s.router.ServeHTTP(w, req)
 
 	assert.Equal(s.T(), http.StatusOK, w.Code)
-	assert.Empty(s.T(), w.Body.String())
+	var response chatwootConversationPayload
+	s.Require().NoError(json.Unmarshal(w.Body.Bytes(), &response))
+	assert.Equal(s.T(), displayID, response.ID)
 
 	var conversation model.Conversation
 	s.Require().NoError(s.db.First(&conversation, s.testConv.ID).Error)