diff --git a/guix-data-service/web/build-server/controller.scm b/guix-data-service/web/build-server/controller.scm
index 73b105f..2514f53 100644
--- a/guix-data-service/web/build-server/controller.scm
+++ b/guix-data-service/web/build-server/controller.scm
@@ -25,6 +25,7 @@
   #:use-module (guix-data-service web render)
   #:use-module (guix-data-service web query-parameters)
   #:use-module (guix-data-service jobs load-new-guix-revision)
+  #:use-module (guix-data-service model utils)
   #:use-module (guix-data-service model build)
   #:use-module (guix-data-service model build-server)
   #:use-module (guix-data-service model build-status)