diff --git a/pkgs/servers/x11/xorg/overrides.nix b/pkgs/servers/x11/xorg/overrides.nix
index 4c8322915953..c25285d13ed3 100644
--- a/pkgs/servers/x11/xorg/overrides.nix
+++ b/pkgs/servers/x11/xorg/overrides.nix
@@ -773,6 +773,14 @@ self: super:
       "--with-launchdaemons-dir=\${out}/LaunchDaemons"
       "--with-launchagents-dir=\${out}/LaunchAgents"
     ];
+    patches = [
+      # don't unset DBUS_SESSION_BUS_ADDRESS in startx
+      (fetchpatch {
+        name = "dont-unset-DBUS_SESSION_BUS_ADDRESS.patch";
+        url = "https://git.archlinux.org/svntogit/packages.git/plain/repos/extra-x86_64/fs46369.patch?h=packages/xorg-xinit&id=40f3ac0a31336d871c76065270d3f10e922d06f3";
+        sha256 = "18kb88i3s9nbq2jxl7l2hyj6p56c993hivk8mzxg811iqbbawkp7";
+      })
+    ];
     propagatedBuildInputs = attrs.propagatedBuildInputs or [] ++ [ self.xauth ]
                          ++ lib.optionals isDarwin [ self.libX11 self.xorgproto ];
     postFixup = ''