diff --git a/meshtastic/__main__.py b/meshtastic/__main__.py
index 6c3ce86..8734232 100644
--- a/meshtastic/__main__.py
+++ b/meshtastic/__main__.py
@@ -41,7 +41,7 @@ def onReceive(packet, interface):
             interface.close()  # after running command then exit
 
         # Reply to every received message with some stats
-        if args and args.reply:
+        if d is not None and args and args.reply:
             msg = d.get("text")
             if msg:
                 rxSnr = packet["rxSnr"]