diff --git a/python_src/lasp/lasp_measurement.py b/python_src/lasp/lasp_measurement.py
index da11083..9fb3614 100644
--- a/python_src/lasp/lasp_measurement.py
+++ b/python_src/lasp/lasp_measurement.py
@@ -423,7 +423,7 @@ class Measurement:
         # Try to find it in the dictionary of of open measurements
         if required_uuid in Measurement.uuid_s.keys():
             m = Measurement.uuid_s[required_uuid]
-            logging.info(f'Returned reference measurement {m.name} from list of open measurements')
+            logging.debug(f'Returned reference measurement {m.name} from list of open measurements')
         
         # Not found in list of openend measurements. See if we can open it using its last stored file name we know of
         if m is None: