diff --git a/src/slic3r/GUI/DeviceManager.cpp b/src/slic3r/GUI/DeviceManager.cpp
index 8f7ee6d99..c9d7bb882 100644
--- a/src/slic3r/GUI/DeviceManager.cpp
+++ b/src/slic3r/GUI/DeviceManager.cpp
@@ -3334,7 +3334,11 @@ int MachineObject::parse_json(std::string payload, bool key_field_only)
         else
             last_utc_time = last_update_time;
 
-        BOOST_LOG_TRIVIAL(trace) << "parse_json: dev_id=" << dev_id << ", playload=" << j.dump(4);
+        if (Slic3r::get_logging_level() < level_string_to_boost("trace")) {
+            BOOST_LOG_TRIVIAL(info) << "parse_json: dev_id=" << dev_id << ", origin playload=" << j_pre.dump(0);
+        } else {
+            BOOST_LOG_TRIVIAL(trace) << "parse_json: dev_id=" << dev_id << ", merged playload=" << j.dump(0);
+        }
 
         // Parse version info first, as if version arrive or change, 'print' need parse again with new compatible settings
         try {