diff --git a/PrusaSlicer.changes b/PrusaSlicer.changes
index b81fe23..76485f5 100644
--- a/PrusaSlicer.changes
+++ b/PrusaSlicer.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Tue Sep  1 11:46:30 UTC 2020 - Benjamin Greiner <code@bnavigator.de>
+
+- enforce GDK_BACKEND=x11 gh#prusa3d/PrusaSlicer#4691 by
+  indroducing the same wrapper as Fedora
+
 -------------------------------------------------------------------
 Thu Aug 20 15:50:07 UTC 2020 - Benjamin Greiner <code@bnavigator.de>
 
diff --git a/PrusaSlicer.spec b/PrusaSlicer.spec
index ef4d548..c220d9b 100644
--- a/PrusaSlicer.spec
+++ b/PrusaSlicer.spec
@@ -64,7 +64,7 @@ It also works with Mach3, LinuxCNC and Machinekit controllers.
 
 %prep
 %setup -q -n %{name}-version_%{version}
-sed -i 's/UNKNOWN/OpenSUSE/' version.inc
+sed -i 's/UNKNOWN/OpenSUSE-release%{release}/' version.inc
 
 %build
 # The build process really acquires that much memory per job. We are
@@ -85,6 +85,17 @@ sed -i 's/UNKNOWN/OpenSUSE/' version.inc
 
 %install
 %cmake_install
+
+# https://github.com/prusa3d/PrusaSlicer/issues/4691
+# Since the binary segfaults under Wayland, we have to wrap it.
+mv %{buildroot}%{_bindir}/prusa-slicer %{buildroot}%{_bindir}/prusa-slicer.wrapped
+cat >> %{buildroot}%{_bindir}/prusa-slicer <<'END'
+#!/bin/sh
+export GDK_BACKEND=x11
+exec %{_bindir}/prusa-slicer.wrapped "$@"
+END
+chmod 755 %{buildroot}%{_bindir}/prusa-slicer
+
 for res in 32 128 192; do
   mkdir -p %{buildroot}%{_datadir}/icons/hicolor/${res}x${res}/apps/
   ln -sr %{buildroot}%{_datadir}/%{name}/icons/%{name}_${res}px.png \