diff --git a/src/aare/daq/daq.py b/src/aare/daq/daq.py
index 701f3eff..2a6a3ea8 100644
--- a/src/aare/daq/daq.py
+++ b/src/aare/daq/daq.py
@@ -1018,7 +1018,9 @@ class AareDAQ:
         previous_sample = None
         mount_started_at = datetime.now(UTC)
         self._last_mount_error_message = ""
-
+        logger.info("clearing statistics for previous sample")
+        self._cfg.last_best_res = None
+        self._cfg.last_best_b_factor = None
         try:
             previous_sample = self.sample
             if previous_sample is None or previous_sample.db_id is None: