diff --git a/op25Handler.py b/op25Handler.py
index eff1cfb..29e0dc4 100644
--- a/op25Handler.py
+++ b/op25Handler.py
@@ -1,5 +1,6 @@
 import threading
 import subprocess
+import time
 import os
 
 
@@ -37,6 +38,14 @@ class OP25Handler(threading.Thread):
         print(f"Closing OP25")
         try:
             self.OP25Proc.kill()
-            self.OP25Proc.terminate()
+
+            seconds_waited = 0
+            while self.OP25Proc.poll() is None:
+                # Terminate the process every 5 seconds
+                if seconds_waited % 5 == 0:
+                    self.OP25Proc.terminate()
+                time.sleep(1)
+                seconds_waited += 1
+
         except Exception as e:
             print(e)