diff --git a/qt5-qtbase-5.8-QTBUG-55583.patch b/qt5-qtbase-5.8-QTBUG-55583.patch
new file mode 100644
index 0000000..67efee1
--- /dev/null
+++ b/qt5-qtbase-5.8-QTBUG-55583.patch
@@ -0,0 +1,38 @@
+From 84ea00d47049d882f2fabf1446ec6c6eb5fe3038 Mon Sep 17 00:00:00 2001
+From: J-P Nurmi <jpnurmi@qt.io>
+Date: Tue, 6 Dec 2016 16:30:31 +0100
+Subject: [PATCH] QGtk3Dialog: don't crash on Wayland
+
+Check if it's an X11 window before calling XSetTransientForHint().
+No transient parent will be set for GTK+ dialogs on Wayland. That
+has to be implemented separately.
+
+Task-number: QTBUG-55583
+Change-Id: Iabc2a72681c8157bb2f2fe500892853aa397106b
+Reviewed-by: Dmitry Shachnev <mitya57@gmail.com>
+Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>
+---
+ src/plugins/platformthemes/gtk3/qgtk3dialoghelpers.cpp | 10 ++++++----
+ 1 file changed, 6 insertions(+), 4 deletions(-)
+
+diff --git a/src/plugins/platformthemes/gtk3/qgtk3dialoghelpers.cpp b/src/plugins/platformthemes/gtk3/qgtk3dialoghelpers.cpp
+index ba5089a..699b058 100644
+--- a/src/plugins/platformthemes/gtk3/qgtk3dialoghelpers.cpp
++++ b/src/plugins/platformthemes/gtk3/qgtk3dialoghelpers.cpp
+@@ -135,10 +135,12 @@ bool QGtk3Dialog::show(Qt::WindowFlags flags, Qt::WindowModality modality, QWind
+ 
+     GdkWindow *gdkWindow = gtk_widget_get_window(gtkWidget);
+     if (parent) {
+-        GdkDisplay *gdkDisplay = gdk_window_get_display(gdkWindow);
+-        XSetTransientForHint(gdk_x11_display_get_xdisplay(gdkDisplay),
+-                             gdk_x11_window_get_xid(gdkWindow),
+-                             parent->winId());
++        if (GDK_IS_X11_WINDOW(gdkWindow)) {
++            GdkDisplay *gdkDisplay = gdk_window_get_display(gdkWindow);
++            XSetTransientForHint(gdk_x11_display_get_xdisplay(gdkDisplay),
++                                 gdk_x11_window_get_xid(gdkWindow),
++                                 parent->winId());
++        }
+     }
+ 
+     if (modality != Qt::NonModal) {
diff --git a/qt5-qtbase.spec b/qt5-qtbase.spec
index a129a5d..e7c13a8 100644
--- a/qt5-qtbase.spec
+++ b/qt5-qtbase.spec
@@ -66,7 +66,7 @@ BuildRequires: pkgconfig(libsystemd)
 Name:    qt5-qtbase
 Summary: Qt5 - QtBase components
 Version: 5.7.1
-Release: 9%{?dist}
+Release: 10%{?dist}
 
 # See LGPL_EXCEPTIONS.txt, for exception details
 License: LGPLv2 with exceptions or GPLv3 with exceptions
@@ -124,6 +124,10 @@ Patch63: qt5-qtbase-5.7.1-openssl11.patch
 Patch64: qt5-qtbase-5.7.1-firebird.patch
 
 ## upstream patches
+# 5.8 branch
+# https://bugzilla.redhat.com/show_bug.cgi?id=1403500
+# https://bugreports.qt.io/browse/QTBUG-55583
+Patch100: qt5-qtbase-5.8-QTBUG-55583.patch
 
 # Do not check any files in %%{_qt5_plugindir}/platformthemes/ for requires.
 # Those themes are there for platform integration. If the required libraries are
@@ -354,6 +358,7 @@ Qt5 libraries used for drawing widgets and OpenGL items.
 %setup -q -n %{qt_module}-opensource-src-%{version}
 
 %patch4 -p1 -b .QTBUG-35459
+%patch100 -p1 -b .QTBUG-55583
 
 %patch50 -p1 -b .QT_VERSION_CHECK
 %patch52 -p1 -b .moc_macros
@@ -965,6 +970,9 @@ fi
 
 
 %changelog
+* Mon Dec 19 2016 Rex Dieter <rdieter@fedoraproject.org> - 5.7.1-10
+- backport 5.8 patch for wayland crasher (#1403500,QTBUG-55583)
+
 * Fri Dec 09 2016 Rex Dieter <rdieter@fedoraproject.org> - 5.7.1-9
 - restore moc_system_defines.patch lost in 5.7.0 rebase