diff --git a/koboldcpp.py b/koboldcpp.py
index aa7990aab..5f3c0506e 100755
--- a/koboldcpp.py
+++ b/koboldcpp.py
@@ -1805,7 +1805,7 @@ def main(launch_args,start_server=True):
         def onready_subprocess():
             import subprocess
             print("Starting Post-Load subprocess...")
-            subprocess.Popen(args.onready[0], shell=True)
+            subprocess.run(args.onready[0], shell=True)
         timer_thread = threading.Timer(1, onready_subprocess) #1 second delay
         timer_thread.start()