diff --git a/0001-Fix-build-with-GCC11.patch b/0001-Fix-build-with-GCC11.patch
new file mode 100644
index 0000000..702346e
--- /dev/null
+++ b/0001-Fix-build-with-GCC11.patch
@@ -0,0 +1,37 @@
+From c5f3105230b383ebf31237b11d28b67c7498e900 Mon Sep 17 00:00:00 2001
+From: Christophe Giboudeaux <christophe@krop.fr>
+Date: Wed, 10 Mar 2021 23:37:49 +0100
+Subject: [PATCH] Fix build with GCC11
+
+---
+ src/lib/WPXContentListener.h | 1 +
+ src/lib/WPXTable.h           | 1 +
+ 2 files changed, 2 insertions(+)
+
+diff --git a/src/lib/WPXContentListener.h b/src/lib/WPXContentListener.h
+index cf7a93e..376a98c 100644
+--- a/src/lib/WPXContentListener.h
++++ b/src/lib/WPXContentListener.h
+@@ -32,6 +32,7 @@
+ #include "WPXSubDocument.h"
+ #include "WPXPageSpan.h"
+ #include "WPXListener.h"
++#include <cstddef>
+ #include <memory>
+ #include <vector>
+ #include <list>
+diff --git a/src/lib/WPXTable.h b/src/lib/WPXTable.h
+index bdbaf79..b2975c4 100644
+--- a/src/lib/WPXTable.h
++++ b/src/lib/WPXTable.h
+@@ -36,6 +36,7 @@
+ #ifndef _WPXTABLE_H
+ #define _WPXTABLE_H
+ 
++#include <cstddef>
+ #include <vector>
+ 
+ struct WPXTableCell
+-- 
+2.30.1
+
diff --git a/libwpd.changes b/libwpd.changes
index 1b9bdea..c009cdb 100644
--- a/libwpd.changes
+++ b/libwpd.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Wed Mar 10 22:38:24 UTC 2021 - Christophe Giboudeaux <christophe@krop.fr>
+
+- Add patch to fix build with GCC11 (boo#1181873)
+  * 0001-Fix-build-with-GCC11.patch
+
 -------------------------------------------------------------------
 Sat Aug 15 22:00:33 UTC 2020 - Dirk Mueller <dmueller@suse.com>
 
diff --git a/libwpd.spec b/libwpd.spec
index aaac5f1..a0ad070 100644
--- a/libwpd.spec
+++ b/libwpd.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package libwpd
 #
-# Copyright (c) 2020 SUSE LLC
+# Copyright (c) 2021 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -25,6 +25,8 @@ License:        LGPL-2.1-or-later AND MPL-2.0+
 Group:          Productivity/Publishing/Word
 URL:            http://libwpd.sourceforge.net
 Source:         http://downloads.sourceforge.net/project/%{name}/%{name}/%{name}-%{version}/%{name}-%{version}.tar.xz
+# PATCH-FIX-UPSTREAM
+Patch0:         0001-Fix-build-with-GCC11.patch
 BuildRequires:  doxygen
 BuildRequires:  fdupes
 BuildRequires:  gcc-c++
@@ -84,7 +86,7 @@ Tools to transform WordPerfect Documents into other formats. Currently
 supported: html, raw, text
 
 %prep
-%setup -q
+%autosetup -p1
 
 %build
 export CXXFLAGS="%{optflags} -fvisibility-inlines-hidden"