diff --git a/guix/scripts/build.scm b/guix/scripts/build.scm
index 72a24f91ac..05f022a92e 100644
--- a/guix/scripts/build.scm
+++ b/guix/scripts/build.scm
@@ -477,7 +477,7 @@ (define %options
   ;; Specifications of the command-line options.
   (cons* (option '(#\h "help") #f #f
                  (lambda args
-                   (show-help)
+                   (leave-on-EPIPE (show-help))
                    (exit 0)))
          (option '(#\V "version") #f #f
                  (lambda args