diff --git a/sgx-bwmsgsv2.rb b/sgx-bwmsgsv2.rb
index 60eb115e3e7a3f11727d30d89d31364a02c4bec0..f3069e9b529b2be8e2f4b4bc52a38fe566951041 100755
--- a/sgx-bwmsgsv2.rb
+++ b/sgx-bwmsgsv2.rb
@@ -1190,7 +1190,9 @@ class WebhookHandler < Goliath::API
 			puts "RESPONSE4: #{msg.inspect}"
 		end
 
-		msg.from = others_num + '@' + ARGV[0]
+		# if message-failed, we already set msg.from
+		# moreover, we said `msg = msg.as_error`, and StanzaError
+		msg.from = others_num + '@' + ARGV[0] if msg.respond_to?(:from=)
 		SGXbwmsgsv2.write(msg)
 
 		# Emit event to messages stream