diff --git a/test.py b/test.py
index c117ffed8..60870d5db 100755
--- a/test.py
+++ b/test.py
@@ -3,6 +3,7 @@
 
 import importlib
 import os
+import sys
 import warnings
 from contextlib import contextmanager
 from tempfile import TemporaryDirectory
@@ -24,6 +25,9 @@ def env_vars(**kw: str) -> Iterator[None]:
 
 
 def main() -> None:
+    if 'prewarmed' in getattr(sys, 'kitty_run_data'):
+        os.environ.pop('KITTY_PREWARM_SOCKET')
+        os.execlp(sys.executable, sys.executable, '+launch', __file__, *sys.argv[1:])
     warnings.simplefilter('error')
     current_home = os.path.expanduser('~') + os.sep
     paths = os.environ.get('PATH', '/usr/local/sbin:/usr/local/bin:/usr/bin').split(os.pathsep)