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-rw-r--r--gnu/installer/utils.scm5
1 files changed, 3 insertions, 2 deletions
diff --git a/gnu/installer/utils.scm b/gnu/installer/utils.scm
index 0a91ae1e4a..5f8fe8ca01 100644
--- a/gnu/installer/utils.scm
+++ b/gnu/installer/utils.scm
@@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2018 Mathieu Othacehe <m.othacehe@gmail.com>
+;;; Copyright © 2018, 2020 Mathieu Othacehe <m.othacehe@gmail.com>
;;; Copyright © 2019, 2020 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
@@ -93,7 +93,8 @@ COMMAND exited successfully, #f otherwise."
(setenv "LC_ALL" locale)
(setenv "LANGUAGE"
(string-take locale
- (string-index locale #\_))))))
+ (or (string-index locale #\_)
+ (string-length locale)))))))
(guard (c ((invoke-error? c)
(newline)