diff --git a/guix-data-service/jobs/load-new-guix-revision.scm b/guix-data-service/jobs/load-new-guix-revision.scm
index 3a11082..2bcb99d 100644
--- a/guix-data-service/jobs/load-new-guix-revision.scm
+++ b/guix-data-service/jobs/load-new-guix-revision.scm
@@ -775,8 +775,8 @@ WHERE job_id = $1")
                              (b-location (inferior-package-location b)))
                          (< (location-line a-location)
                             (location-line b-location)))
-                       (string<? (inferior-package-version a)
-                                 (inferior-package-version b))))
+                       (string<? a-version
+                                 b-version)))
                  (string<? a-name
                            b-name)))))))