diff --git a/brozzler/browser.py b/brozzler/browser.py
index <HASH>..<HASH> 100644
--- a/brozzler/browser.py
+++ b/brozzler/browser.py
@@ -506,7 +506,6 @@ class Chrome:
         # start_new_session - new process group so we can kill the whole group
         self.chrome_process = subprocess.Popen(chrome_args, env=new_env,
                 stdout=subprocess.PIPE, stderr=subprocess.PIPE, bufsize=0,
-                creationflags=subprocess.CREATE_NEW_PROCESS_GROUP,
                 start_new_session=True)
         self._out_reader_thread = threading.Thread(target=self._read_stderr_stdout,
                 name="ChromeOutReaderThread(pid={})".format(self.chrome_process.pid))
diff --git a/setup.py b/setup.py
index <HASH>..<HASH> 100644
--- a/setup.py
+++ b/setup.py
@@ -21,7 +21,7 @@ import setuptools
 
 setuptools.setup(
         name='brozzler',
-        version='1.1.dev42',
+        version='1.1.dev43',
         description='Distributed web crawling with browsers',
         url='https://github.com/internetarchive/brozzler',
         author='Noah Levitt',
oops didn't mean to leave that windows-only subprocess flag