diff --git a/pyproject.toml b/pyproject.toml
index 33344eefe2..5f23b0ad8f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -144,6 +144,7 @@ cpp_harness = "selfdrive/test/cpp_harness.py"
 python_files = "test_*.py"
 asyncio_default_fixture_loop_scope = "function"
 xvfb_args = "+extension GLX"
+xvfb_xauth = true
 #timeout = "30"  # you get this long by default
 markers = [
   "slow: tests that take awhile to run and can be skipped with -m 'not slow'",