diff --git a/pkgs/development/python-modules/pyqt/5.x.nix b/pkgs/development/python-modules/pyqt/5.x.nix
index 331366e379dd..d9de2edce683 100644
--- a/pkgs/development/python-modules/pyqt/5.x.nix
+++ b/pkgs/development/python-modules/pyqt/5.x.nix
@@ -1,4 +1,4 @@
-{ lib, fetchurl, pythonPackages, pkgconfig, makeWrapper, qmake
+{ lib, fetchurl, pythonPackages, pkgconfig, makeWrapper, qmake, fetchpatch
 , lndir, qtbase, qtsvg, qtwebkit, qtwebengine, dbus_libs
 , withWebSockets ? false, qtwebsockets
 , withConnectivity ? false, qtconnectivity
@@ -64,6 +64,17 @@ in buildPythonPackage {
     runHook postConfigure
   '';
 
+  patches = [
+    # This patch from Arch Linux fixes Cura segfaulting on startup
+    # https://github.com/Ultimaker/Cura/issues/3438
+    # It can probably removed on 5.10.3
+    (fetchpatch {
+      name = "pyqt5-cura-crash.patch";
+      url = https://git.archlinux.org/svntogit/packages.git/plain/repos/extra-x86_64/pyqt5-cura-crash.patch?id=6cfe64a3d1827e0ed9cc62f1683a53b582315f4f;
+      sha256 = "02a0mw1z8p9hhqhl4bgjrmf1xq82xjmpivn5bg6r4yv6pidsh7ck";
+    })
+  ];
+
   postInstall = ''
     for i in $out/bin/*; do
       wrapProgram $i --prefix PYTHONPATH : "$PYTHONPATH"