diff --git a/lib/http-commands.js b/lib/http-commands.js
index f5e027804..d577940af 100644
--- a/lib/http-commands.js
+++ b/lib/http-commands.js
@@ -274,7 +274,7 @@ var handleResponse = function (Env, req, res) {
             u8_publicKey = Util.decodeBase64(publicKey);
         } catch (err3) {
             Env.Log.error('CHALLENGE_RESPONSE_DECODING_ERROR', {
-                command,
+                command: json.command,
                 publicKey: publicKey,
                 error: Util.serializeError(err3),
             });