diff --git a/guix-data-service/jobs/load-new-guix-revision.scm b/guix-data-service/jobs/load-new-guix-revision.scm
index 5c2744c..d821157 100644
--- a/guix-data-service/jobs/load-new-guix-revision.scm
+++ b/guix-data-service/jobs/load-new-guix-revision.scm
@@ -1485,7 +1485,7 @@
               (match-lambda
                 ((system . target)
                  (let loop ((wal-bytes (stat:size (stat "/var/guix/db/db.sqlite-wal"))))
-                   (when (> wal-bytes 200000000)
+                   (when (> wal-bytes (* 2048 (expt 2 20)))
                      (simple-format #t "debug: guix-daemon WAL is large (~A), waiting\n"
                                     wal-bytes)