diff --git a/backend/internal/service/project.go b/backend/internal/service/project.go
index 14138f3..30fde5a 100644
--- a/backend/internal/service/project.go
+++ b/backend/internal/service/project.go
@@ -198,7 +198,7 @@ func (s *ProjectService) GetTasks(ctx context.Context, userID uint, projectID ui
 	response := make([]model.TaskResponse, len(tasks))
 	for i, t := range tasks {
 		response[i] = model.TaskResponse{
-			ID:         fmt.Sprintf("%d", t.ID),
+			ID:         t.ExternalID,
 			ProjectID:  fmt.Sprintf("%d", t.ProjectID),
 			Prompt:     t.Prompt,
 			AssetType:  t.AssetType,