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-rw-r--r--pkgs/applications/networking/browsers/tor-browser-bundle-bin/default.nix2
1 files changed, 1 insertions, 1 deletions
diff --git a/pkgs/applications/networking/browsers/tor-browser-bundle-bin/default.nix b/pkgs/applications/networking/browsers/tor-browser-bundle-bin/default.nix
index 8a8abb42f55e..a2094305db55 100644
--- a/pkgs/applications/networking/browsers/tor-browser-bundle-bin/default.nix
+++ b/pkgs/applications/networking/browsers/tor-browser-bundle-bin/default.nix
@@ -340,7 +340,7 @@ stdenv.mkDerivation rec {
       \
       TMPDIR="\''${TMPDIR:-/tmp}" \
       HOME="\$HOME" \
-      XAUTHORITY="\$XAUTHORITY" \
+      XAUTHORITY="\''${XAUTHORITY:-}" \
       DISPLAY="\$DISPLAY" \
       DBUS_SESSION_BUS_ADDRESS="\$DBUS_SESSION_BUS_ADDRESS" \
       \