diff --git a/SOURCES/0001-x11-Avoid-a-division-by-zero.patch b/SOURCES/0001-x11-Avoid-a-division-by-zero.patch
new file mode 100644
index 0000000..832de44
--- /dev/null
+++ b/SOURCES/0001-x11-Avoid-a-division-by-zero.patch
@@ -0,0 +1,31 @@
+From cc967849f7653c697c33571a1a6a55e9ffd966ff Mon Sep 17 00:00:00 2001
+From: Pavel Roskin <plroskin@gmail.com>
+Date: Thu, 8 Mar 2018 15:58:42 +0100
+Subject: [PATCH] x11: Avoid a division by zero
+
+This is similar to f44baf51d9e8616a but for RandR 1.3 servers like
+x11rdp and Windows Exceed which don't return a refresh rate. Avoid a
+crash when that happens.
+
+https://bugzilla.gnome.org/show_bug.cgi?id=775546
+---
+ gdk/x11/gdkscreen-x11.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/gdk/x11/gdkscreen-x11.c b/gdk/x11/gdkscreen-x11.c
+index 20fd27531e45..272cecd7aa4b 100644
+--- a/gdk/x11/gdkscreen-x11.c
++++ b/gdk/x11/gdkscreen-x11.c
+@@ -658,7 +658,8 @@ init_randr13 (GdkScreen *screen, gboolean *changed)
+               XRRModeInfo *xmode = &resources->modes[j];
+               if (xmode->id == crtc->mode)
+                 {
+-                  refresh_rate = (1000 * xmode->dotClock) / (xmode->hTotal *xmode->vTotal);
++                  if (xmode->hTotal != 0 && xmode->vTotal != 0)
++                    refresh_rate = (1000 * xmode->dotClock) / (xmode->hTotal * xmode->vTotal);
+                   break;
+                 }
+             }
+-- 
+2.14.3
+
diff --git a/SPECS/gtk3.spec b/SPECS/gtk3.spec
index e3726cc..1136781 100644
--- a/SPECS/gtk3.spec
+++ b/SPECS/gtk3.spec
@@ -22,7 +22,7 @@
 
 Name: gtk3
 Version: 3.22.26
-Release: 3%{?dist}
+Release: 4%{?dist}
 Summary: GTK+ graphical user interface library
 
 License: LGPLv2+
@@ -39,6 +39,9 @@ Patch19: 0001-gdk-Always-emit-motion-after-enter.patch
 # https://bugzilla.redhat.com/show_bug.cgi?id=1483942
 Patch20: x11-Dont-call-XInput-API-for-core-events.patch
 
+# https://bugzilla.redhat.com/show_bug.cgi?id=1502788
+Patch21: 0001-x11-Avoid-a-division-by-zero.patch
+
 BuildRequires: pkgconfig(atk) >= %{atk_version}
 BuildRequires: pkgconfig(atk-bridge-2.0)
 BuildRequires: pkgconfig(glib-2.0) >= %{glib2_version}
@@ -177,6 +180,7 @@ the functionality of the installed %{name} package.
 %patch18 -p1
 %patch19 -p1
 %patch20 -p1
+%patch21 -p1
 
 cp %{SOURCE1} po/
 
@@ -368,6 +372,10 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 %{_datadir}/installed-tests
 
 %changelog
+* Mon Apr 09 2018 Debarshi Ray <rishi@fedoraproject.org> - 3.22.26-4
+- Avoid a division by zero with RandR 1.3
+- Resolves: #1502788
+
 * Tue Feb 13 2018 Ray Strode <rstrode@redhat.com> - 3.22.26-3
 - Fix emacs on Xming
   Resolves: #1483942