diff --git a/qtile/config.py b/qtile/config.py
index a94df15..b784031 100644
--- a/qtile/config.py
+++ b/qtile/config.py
@@ -231,6 +231,8 @@ wmname = "LG3D"
 @hook.subscribe.startup_once
 def start_once():
     """Run after qtile is started"""
+    import os
     import subprocess
 
-    subprocess.Popen('~/.config/qtile/startup.sh')
+    autostart_file = os.path.expanduser('~/.config/qtile/startup.sh')
+    subprocess.call([autostart_file])