diff --git a/0001-diff-Fix-output-of-diff-l-y-for-non-ASCII-input-file.patch b/0001-diff-Fix-output-of-diff-l-y-for-non-ASCII-input-file.patch
new file mode 100644
index 0000000..83c6b73
--- /dev/null
+++ b/0001-diff-Fix-output-of-diff-l-y-for-non-ASCII-input-file.patch
@@ -0,0 +1,27 @@
+From cb52fa88d5f2d9bc4894a7eccd90fdc2e03f5af4 Mon Sep 17 00:00:00 2001
+From: Bruno Haible <bruno@clisp.org>
+Date: Tue, 4 Jul 2023 18:45:33 +0200
+Subject: [PATCH] diff: Fix output of "diff -l -y" for non-ASCII input files
+
+* src/side.c (print_half_line): Output the multibyte character to out,
+not stdout.
+---
+ src/side.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/side.c b/src/side.c
+index 2f566f8..46ef095 100644
+--- a/src/side.c
++++ b/src/side.c
+@@ -146,7 +146,7 @@ print_half_line (char const *const *line, intmax_t indent, intmax_t out_bound)
+                 if (in_position <= out_bound)
+                   {
+                     out_position = in_position;
+-                    fwrite (tp0, 1, bytes, stdout);
++                    fwrite (tp0, 1, bytes, out);
+                   }
+                 text_pointer = tp0 + bytes;
+                 break;
+-- 
+2.34.1
+
diff --git a/diffutils.spec b/diffutils.spec
index a4b1bef..5ad3376 100644
--- a/diffutils.spec
+++ b/diffutils.spec
@@ -1,10 +1,11 @@
 Summary: GNU collection of diff utilities
 Name: diffutils
 Version: 3.10
-Release: 1%{?dist}
+Release: 2%{?dist}
 URL: https://www.gnu.org/software/diffutils/diffutils.html
 Source: https://ftp.gnu.org/gnu/diffutils/diffutils-%{version}.tar.xz
 Patch0: diffutils-i18n.patch
+Patch1: 0001-diff-Fix-output-of-diff-l-y-for-non-ASCII-input-file.patch
 License: GPL-3.0-or-later
 Provides: bundled(gnulib)
 BuildRequires: gcc
@@ -29,6 +30,7 @@ Install diffutils if you need to compare text files.
 %setup -q
 # Multibyte
 %patch -P0 -p1 -b .i18n
+%patch -P1 -p1 -b .fix-output-of-diff-l-y-for-non-ASCII-input-file
 
 # Run autoreconf for aarch64 support (bug #925256).
 autoreconf
@@ -56,6 +58,9 @@ make check
 %{_infodir}/diffutils.info*
 
 %changelog
+* Wed Jul 05 2023 Than Ngo <than@redhat.com> - 3.10-2
+- Fix output of "diff -l -y" for non-ASCII input files
+
 * Thu Jun 29 2023 Than Ngo <than@redhat.com> - 3.10-1
 - Fix bz#2208831, update to 3.10
 - Fix bz#2196671, diff -D no longer fails to output #ifndef lines introduced in 3.9