diff --git a/main.py b/main.py
index d8afb0a..67c8831 100644
--- a/main.py
+++ b/main.py
@@ -12,6 +12,7 @@ import os
 import logging
 import traceback
 import threading
+import sys
 
 from utilities.arg_parser import setup_parser
 from utilities.interfaces import initialize_interface
@@ -52,12 +53,23 @@ def main(stdscr):
         logging.info("Initializing interface %s", args)
         with globals.lock: 
             globals.interface = initialize_interface(args)
+
+            # Check if the interface was successfully initialized
+            if not globals.interface:
+                logging.critical("Failed to initialize interface. Exiting...")
+                sys.exit(1)  # Exit the program with an error code
+
             if globals.interface.localNode.localConfig.lora.region == 0:
-                confirmation = get_list_input("Your region is UNSET.  Set it now?", "Yes",  ["Yes", "No"])
+                confirmation = get_list_input("Your region is UNSET. Set it now?", "Yes", ["Yes", "No"])
                 if confirmation == "Yes":
                     set_region()
-                    globals.interface = None
+                    globals.interface.close()
                     globals.interface = initialize_interface(args)
+
+                # Ensure the new interface is valid after reinitialization
+                if not globals.interface:
+                    logging.critical("Re-initialization of interface failed. Exiting...")
+                    sys.exit(1)
             logging.info("Interface initialized")
             globals.myNodeNum = get_nodeNum()
             globals.channel_list = get_channels()