diff --git a/gnu/packages/emacs-xyz.scm b/gnu/packages/emacs-xyz.scm
index c18505a681..928ca1c120 100644
--- a/gnu/packages/emacs-xyz.scm
+++ b/gnu/packages/emacs-xyz.scm
@@ -3677,7 +3677,14 @@ (define-public emacs-dash
                (base32
                 "0z6f8y1m9amhg427iz1d4xcyr6n0kj5w7kmiz134p320ixsdnzd8"))))
     (build-system emacs-build-system)
-    (arguments `(#:tests? #t))
+    (arguments `(#:tests? #t
+                 #:phases
+                 (modify-phases %standard-phases
+                   (add-after 'unpack 'disable-byte-compile-error-on-warn
+                     (lambda _
+                       (substitute* "Makefile"
+                         (("\\(setq byte-compile-error-on-warn t\\)")
+                          "(setq byte-compile-error-on-warn nil)")))))))
     (home-page "https://github.com/magnars/dash.el")
     (synopsis "Modern list library for Emacs")
     (description "This package provides a modern list API library for Emacs.")