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-rw-r--r--guix/scripts/discover.scm1
1 files changed, 1 insertions, 0 deletions
diff --git a/guix/scripts/discover.scm b/guix/scripts/discover.scm
index 2b5b564bbe..6aade81ed1 100644
--- a/guix/scripts/discover.scm
+++ b/guix/scripts/discover.scm
@@ -137,5 +137,6 @@ to synchronize with the writer."
            (publish-file (publish-file cache)))
       (parameterize ((%publish-file publish-file))
         (mkdir-p (dirname publish-file))
+        (false-if-exception (delete-file publish-file))
         (avahi-browse-service-thread service-proc
                                      #:types %services)))))