diff --git a/lisainstrument/instrument.py b/lisainstrument/instrument.py
index f739aa11213577f8b9ed492b465e21d053b97d42..135218e188164fb48a4c91345a7024cccb64ca4f 100755
--- a/lisainstrument/instrument.py
+++ b/lisainstrument/instrument.py
@@ -1915,7 +1915,7 @@ class Instrument:
             'git_url', 'version', 'concurrent',
             'dt', 't0', 'size', 'fs', 'duration',
             'initial_telemetry_size', 'telemetry_downsampling', 'telemetry_fs',
-            'telemetry_size', 'telemetry_t0',
+            'telemetry_dt', 'telemetry_size', 'telemetry_t0',
             'physics_upsampling', 'physics_size', 'physics_dt', 'physics_fs',
             'central_freq', 'lock_config', 'lock',
             'fplan_file', 'fplan',