diff --git a/listener.py b/listener.py
index 93d7f2d..21e3da7 100755
--- a/listener.py
+++ b/listener.py
@@ -259,6 +259,7 @@ def is_deadpoint(ap_bssid):
 
 # === Main ===
 def main():
+    print("[DEBUG] sys.argv:", sys.argv, flush=True)
     parser = ArgumentParser()
     parser.add_argument("--main-iface", required=True, help="Active interface (used to determine channel)")
     parser.add_argument("--monitor-iface", required=True, help="Monitor interface to sniff on")