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-rw-r--r--guix/scripts/package.scm2
1 files changed, 1 insertions, 1 deletions
diff --git a/guix/scripts/package.scm b/guix/scripts/package.scm
index 1f21890fcd..dab3d5bb0c 100644
--- a/guix/scripts/package.scm
+++ b/guix/scripts/package.scm
@@ -955,7 +955,7 @@ more information.~%"))
(match (assoc-ref opts 'query)
(('list-generations pattern)
(define (list-generation number)
- (begin
+ (unless (zero? number)
(format #t (_ "Generation ~a\t~a~%") number
(date->string
(time-utc->date