diff --git a/0001-Compatibility-with-qt5-5.9.0.patch b/0001-Compatibility-with-qt5-5.9.0.patch
new file mode 100644
index 0000000..628f406
--- /dev/null
+++ b/0001-Compatibility-with-qt5-5.9.0.patch
@@ -0,0 +1,88 @@
+From 82bd2e1a51df0650cb40894c5dc2b958f601a91d Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
+Date: Tue, 16 May 2017 14:20:51 -0400
+Subject: [PATCH] Compatibility with qt5-5.9.0
+
+---
+ src/calibre/headless/fontconfig_database.cpp | 16 ++++++++++------
+ src/calibre/headless/fontconfig_database.h   | 12 ++++++++----
+ 2 files changed, 18 insertions(+), 10 deletions(-)
+
+diff --git a/src/calibre/headless/fontconfig_database.cpp b/src/calibre/headless/fontconfig_database.cpp
+index 4e87b8f81b..33defd0b48 100644
+--- a/src/calibre/headless/fontconfig_database.cpp
++++ b/src/calibre/headless/fontconfig_database.cpp
+@@ -48,14 +48,18 @@
+ #include <qpa/qplatformservices.h>
+ 
+ #if (QT_VERSION >= QT_VERSION_CHECK(5, 8, 0))
+-#include <QtFontDatabaseSupport/private/qfontenginemultifontconfig_p.h>
++#  include <QtFontDatabaseSupport/private/qfontenginemultifontconfig_p.h>
+ #else
+-#include <QtPlatformSupport/private/qfontenginemultifontconfig_p.h>
++#  include <QtPlatformSupport/private/qfontenginemultifontconfig_p.h>
++#endif
++#if (QT_VERSION >= QT_VERSION_CHECK(5, 9, 0))
++#  include <QtFontDatabaseSupport/private/qfontengine_ft_p.h>
++#else
++#  include <QtGui/private/qfontengine_ft_p.h>
+ #endif
+-#include <QtGui/private/qfontengine_ft_p.h>
+ #include <QtGui/private/qguiapplication_p.h>
+ #if (QT_VERSION >= QT_VERSION_CHECK(5, 6, 0))
+-#include <QtGui/private/qhighdpiscaling_p.h>
++#  include <QtGui/private/qhighdpiscaling_p.h>
+ #endif
+ 
+ #include <QtGui/qguiapplication.h>
+@@ -763,7 +767,7 @@ QFontEngine *QFontconfigDatabase::fontEngine(const QFontDef &f, void *usrPtr)
+ 
+ QFontEngine *QFontconfigDatabase::fontEngine(const QByteArray &fontData, qreal pixelSize, QFont::HintingPreference hintingPreference)
+ {
+-    QFontEngineFT *engine = static_cast<QFontEngineFT*>(QBasicFontDatabase::fontEngine(fontData, pixelSize, hintingPreference));
++    QFontEngineFT *engine = static_cast<QFontEngineFT*>(QFreeTypeFontDatabase::fontEngine(fontData, pixelSize, hintingPreference));
+     if (engine == 0)
+         return 0;
+ 
+@@ -915,7 +919,7 @@ QStringList QFontconfigDatabase::addApplicationFont(const QByteArray &fontData,
+ 
+ QString QFontconfigDatabase::resolveFontFamilyAlias(const QString &family) const
+ {
+-    QString resolved = QBasicFontDatabase::resolveFontFamilyAlias(family);
++    QString resolved = QFreeTypeFontDatabase::resolveFontFamilyAlias(family);
+     if (!resolved.isEmpty() && resolved != family)
+         return resolved;
+     FcPattern *pattern = FcPatternCreate();
+diff --git a/src/calibre/headless/fontconfig_database.h b/src/calibre/headless/fontconfig_database.h
+index e2fecff724..62afc129cf 100644
+--- a/src/calibre/headless/fontconfig_database.h
++++ b/src/calibre/headless/fontconfig_database.h
+@@ -7,17 +7,21 @@
+ #pragma once
+ 
+ #include <qpa/qplatformfontdatabase.h>
+-#if (QT_VERSION >= QT_VERSION_CHECK(5, 8, 0))
+-#include <QtFontDatabaseSupport/private/qbasicfontdatabase_p.h>
++#if (QT_VERSION >= QT_VERSION_CHECK(5, 9, 0))
++#  include <QtFontDatabaseSupport/private/qfreetypefontdatabase_p.h>
++#elif (QT_VERSION >= QT_VERSION_CHECK(5, 8, 0))
++#  include <QtFontDatabaseSupport/private/qbasicfontdatabase_p.h>
++#  define QFreeTypeFontDatabase QBasicFontDatabase
+ #else
+-#include <QtPlatformSupport/private/qbasicfontdatabase_p.h>
++#  include <QtPlatformSupport/private/qbasicfontdatabase_p.h>
++#  define QFreeTypeFontDatabase QBasicFontDatabase
+ #endif
+ 
+ QT_BEGIN_NAMESPACE
+ 
+ class QFontEngineFT;
+ 
+-class QFontconfigDatabase : public QBasicFontDatabase
++class QFontconfigDatabase : public QFreeTypeFontDatabase
+ {
+ public:
+ #if (QT_VERSION >= QT_VERSION_CHECK(5, 5, 0))
+-- 
+2.13.0.67.g10c78a162f
+
diff --git a/calibre.spec b/calibre.spec
index 2ab10ef..51c5fb9 100644
--- a/calibre.spec
+++ b/calibre.spec
@@ -33,6 +33,7 @@ Patch1:         %{name}-no-update.patch
 # This is so gnome-software only 'sees' calibre once. 
 # 
 Patch3:         calibre-nodisplay.patch
+Patch4:         0001-Compatibility-with-qt5-5.9.0.patch
 
 BuildRequires:  python >= 2.7
 BuildRequires:  python-devel >= 2.7
@@ -124,13 +125,7 @@ Supported input formats are: MOBI, LIT, PRC, EPUB, CHM, ODT, HTML, CBR, CBZ,
 RTF, TXT, PDF and LRS.
 
 %prep
-%setup -q -n %{name}-%{version}
-
-# don't check for new upstream version (that's what packagers do)
-%patch1 -p1 -b .no-update
-# Hide individual launchers for ebook-edit, ebook-viewer and lrfviewer as they
-# are all accessible in the main calibre GUI.
-%patch3 -p1 -b .nodisplay
+%autosetup -n %{name}-%{version} -p1
 
 # dos2unix newline conversion
 sed -i 's/\r//' src/calibre/web/feeds/recipes/*
@@ -335,6 +330,9 @@ ln -s %{_jsdir}/mathjax %{_datadir}/%{name}/viewer/
 %{_datadir}/appdata/calibre*.appdata.xml
 
 %changelog
+* Tue May 16 2017 Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> - 2.83.0-2
+- Add patch to build under qt 5.9.0
+
 * Fri May 12 2017 Rex Dieter <rdieter@fedoraproject.org> - 2.83.0-2
 - rebuild (qt5)