diff --git a/debian/changelog b/debian/changelog
index b960612..f4d6bde 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,5 +1,8 @@
 qt6-base (6.2.2+dfsg-4) UNRELEASED; urgency=medium
 
+  [ Pino Toscano ]
+  * Backport upstream commit 06e7b5168e269f913f03ecb9d77fc82db4d9dfd6 to enable
+    LFS on Hurd; patch upstream_Hurd-enable-XOPEN-largefile-APIs.patch.
 
  -- Debian Qt/KDE Maintainers <debian-qt-kde@lists.debian.org>  Thu, 10 Feb 2022 07:33:31 +0100
 
diff --git a/debian/patches/series b/debian/patches/series
index dc8eb5b..3b9532d 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -4,6 +4,7 @@ upstream_QStorageInfo-limit-Linux-only-code-with-Q_OS_LINUX.patch
 # fixed in 4.4
 upstream_CMake-add-support-for-GNU-Hurd.patch
 upstream_QProcess-Unix-fallback-on-_POSIX_PIPE_BUF-w-missing-.patch
+upstream_Hurd-enable-XOPEN-largefile-APIs.patch
 
 # Debian specific
 remove_privacy_breaches.diff
diff --git a/debian/patches/upstream_Hurd-enable-XOPEN-largefile-APIs.patch b/debian/patches/upstream_Hurd-enable-XOPEN-largefile-APIs.patch
new file mode 100644
index 0000000..cb09c3a
--- /dev/null
+++ b/debian/patches/upstream_Hurd-enable-XOPEN-largefile-APIs.patch
@@ -0,0 +1,31 @@
+From 06e7b5168e269f913f03ecb9d77fc82db4d9dfd6 Mon Sep 17 00:00:00 2001
+From: Pino Toscano <toscano.pino@tiscali.it>
+Date: Mon, 31 Jan 2022 21:36:59 +0100
+Subject: [PATCH] Hurd: enable XOPEN largefile APIs
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Hurd supports largefile, so enable it also in Qt.
+
+Change-Id: I8384ca2cb5c6250376916b6a890e1a873c0a0e96
+Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
+---
+ mkspecs/hurd-g++/qplatformdefs.h | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/mkspecs/hurd-g++/qplatformdefs.h b/mkspecs/hurd-g++/qplatformdefs.h
+index b1887aae7f..c6d35e0ac5 100644
+--- a/mkspecs/hurd-g++/qplatformdefs.h
++++ b/mkspecs/hurd-g++/qplatformdefs.h
+@@ -78,6 +78,7 @@
+ #include <sys/wait.h>
+ #include <netinet/in.h>
+ 
++#define QT_USE_XOPEN_LFS_EXTENSIONS
+ #include "../common/posix/qplatformdefs.h"
+ 
+ #if defined(_XOPEN_SOURCE) && (_XOPEN_SOURCE >= 500)
+-- 
+2.34.1
+