diff --git a/lazy_serve.py b/lazy_serve.py
index 5e0ff0a..cfe6dc2 100644
--- a/lazy_serve.py
+++ b/lazy_serve.py
@@ -2,6 +2,7 @@ import os
 import signal
 import subprocess
 import threading
+import time
 
 
 class ServerThread(threading.Thread):
@@ -22,6 +23,8 @@ class ServerThread(threading.Thread):
             self.process.poll()
             if self.process.returncode is not None:
                 break
+            else:
+                time.sleep(0.2)
 
     def stop(self):
         self._stop_event.set()