diff --git a/guix-data-service/web/forgejo/controller.scm b/guix-data-service/web/forgejo/controller.scm
index 28df2f6..3fa2965 100644
--- a/guix-data-service/web/forgejo/controller.scm
+++ b/guix-data-service/web/forgejo/controller.scm
@@ -70,11 +70,14 @@
                   (lambda (conn)
                     (match action
                       ((or 'opened 'reopened)     ;new pull request
-                       (enqueue-job-for-pull-request conn pull-request))
+                       (enqueue-job-for-pull-request conn pull-request)
+                       (render-json '() #:code 200))
                       ('synchronized              ;pull request is updated
-                       (enqueue-job-for-pull-request conn pull-request))
+                       (enqueue-job-for-pull-request conn pull-request)
+                       (render-json '() #:code 200))
                       ('closed                    ;closed or merged
-                       (mark-pull-request-branch-for-deletion conn pull-request))
+                       (mark-pull-request-branch-for-deletion conn pull-request)
+                       (render-json '() #:code 200))
                       (_                          ;other action
                        (render-json '((error . "unknown action"))
                                     #:code 404)))))))