diff --git a/SOURCES/0001-backends-x11-Fix-time-comparison-bug-causing-hang.patch b/SOURCES/0001-backends-x11-Fix-time-comparison-bug-causing-hang.patch
new file mode 100644
index 0000000..6a87a0f
--- /dev/null
+++ b/SOURCES/0001-backends-x11-Fix-time-comparison-bug-causing-hang.patch
@@ -0,0 +1,33 @@
+From 05bf09ea4aa5a7dc22869075ea2096c4a293d70d Mon Sep 17 00:00:00 2001
+From: Jeff Smith <whydoubt@gmail.com>
+Date: Wed, 31 Jan 2018 23:27:19 -0600
+Subject: [PATCH] backends/x11: Fix time-comparison bug causing hang
+
+A comparison in translate_device_event() does not account for the fact
+that X's clock wraps about every 49.7 days.  When triggered, this causes
+an unresponsive GUI.
+
+Replace simple less-than comparison with XSERVER_TIME_IS_BEFORE macro,
+which accounts for the wrapping of X's clock.
+
+Closes: https://gitlab.gnome.org/GNOME/mutter/issues/12
+---
+ src/backends/x11/meta-backend-x11.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/backends/x11/meta-backend-x11.c b/src/backends/x11/meta-backend-x11.c
+index 233532435..f447f785f 100644
+--- a/src/backends/x11/meta-backend-x11.c
++++ b/src/backends/x11/meta-backend-x11.c
+@@ -112,7 +112,7 @@ translate_device_event (MetaBackendX11 *x11,
+ 
+   if (!device_event->send_event && device_event->time != CurrentTime)
+     {
+-      if (device_event->time < priv->latest_evtime)
++      if (XSERVER_TIME_IS_BEFORE (device_event->time, priv->latest_evtime))
+         {
+           /* Emulated pointer events received after XIRejectTouch is received
+            * on a passive touch grab will contain older timestamps, update those
+-- 
+2.17.1
+
diff --git a/SPECS/mutter.spec b/SPECS/mutter.spec
index cb36e25..fffe527 100644
--- a/SPECS/mutter.spec
+++ b/SPECS/mutter.spec
@@ -11,7 +11,7 @@
 
 Name:          mutter
 Version:       3.26.2
-Release:       14%{?dist}
+Release:       15%{?dist}
 Summary:       Window and compositing manager based on Clutter
 
 License:       GPLv2+
@@ -45,6 +45,8 @@ Patch14:  wacom-pro-pen-3d.patch
 Patch20: 0008-Add-support-for-quad-buffer-stereo.patch
 Patch21: 0001-build-Lower-automake-requirement.patch
 
+Patch23: 0001-backends-x11-Fix-time-comparison-bug-causing-hang.patch
+
 # el7 patches
 Patch100: 0001-Revert-build-Require-libgudev-232.patch
 Patch101: 0001-rhel7-Fix-build-for-el7.patch
@@ -59,7 +61,6 @@ Patch109: 0001-main-be-more-aggressive-in-assuming-X11-backend.patch
 
 Patch500: 0001-clutter-stage-don-t-use-deprecated-api.patch
 
-
 BuildRequires: chrpath
 BuildRequires: pango-devel
 BuildRequires: startup-notification-devel
@@ -216,6 +217,10 @@ glib-compile-schemas %{_datadir}/glib-2.0/schemas &> /dev/null || :
 %{_libdir}/pkgconfig/*
 
 %changelog
+* Tue Jul 17 2018 Florian Müllner <fmuellner@redhat.com> - 3.26.2-15
+- Fix time comparison bug causing hang
+  Resolves: #1601948
+
 * Tue Apr 17 2018 Carlos Garnacho <cgarnach@redhat.com> - 3.26.2-14
 - Add support for Wacom Pro Pen 3D styli
   Resolves: #1568702