diff --git a/tests/test_proxy_connect.py b/tests/test_proxy_connect.py
index ec3f0716c..69925f80c 100644
--- a/tests/test_proxy_connect.py
+++ b/tests/test_proxy_connect.py
@@ -48,8 +48,7 @@ sys.exit(mitmdump())
 
     def stop(self):
         self.proc.kill()
-        self.proc.wait()
-        time.sleep(0.2)
+        self.proc.communicate()
 
 
 def _wrong_credentials(proxy_url):