diff --git a/pkgs/build-support/build-fhs-userenv/chroot-user.rb b/pkgs/build-support/build-fhs-userenv/chroot-user.rb
index e3b268d57af6..11f672acb9ff 100755
--- a/pkgs/build-support/build-fhs-userenv/chroot-user.rb
+++ b/pkgs/build-support/build-fhs-userenv/chroot-user.rb
@@ -20,6 +20,7 @@ envvars = [ 'TERM',
             'XDG_RUNTIME_DIR',
             'LANG',
             'SSL_CERT_FILE',
+            'DBUS_SESSION_BUS_ADDRESS',
           ]
 
 require 'tmpdir'