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-rw-r--r--guix/serialization.scm7
1 files changed, 3 insertions, 4 deletions
diff --git a/guix/serialization.scm b/guix/serialization.scm
index a99f53ee0b..51d7ef76c6 100644
--- a/guix/serialization.scm
+++ b/guix/serialization.scm
@@ -140,10 +140,9 @@ substitute invalid byte sequences with question marks. This is a
;; not very efficient. Eventually Guile may provide a lightweight
;; permissive UTF-8 decoder.
(let* ((bv (read-byte-string p))
- (port (with-fluids ((%default-port-encoding "UTF-8")
- (%default-port-conversion-strategy
- 'substitute))
- (open-bytevector-input-port bv))))
+ (port (open-bytevector-input-port bv)))
+ (set-port-encoding! port "UTF-8")
+ (set-port-conversion-strategy! port 'substitute)
(get-string-all port)))
(define (write-string-list l p)