diff --git a/gnu/packages/base.scm b/gnu/packages/base.scm
index d74d304de1..196106fa29 100644
--- a/gnu/packages/base.scm
+++ b/gnu/packages/base.scm
@@ -546,7 +546,9 @@ (define* (make-ld-wrapper name #:key
                                       '(string-append bin "/ld")))
                             (go  (string-append ld ".go")))
 
-                       (setvbuf (current-output-port) _IOLBF)
+                       (setvbuf (current-output-port)
+                                (cond-expand (guile-2.0 _IOLBF)
+                                             (else 'line)))
                        (format #t "building ~s/bin/ld wrapper in ~s~%"
                                (assoc-ref %build-inputs "binutils")
                                out)