diff --git a/src/aare/daq/mlbox.py b/src/aare/daq/mlbox.py
index 33621bc3..60916a4e 100644
--- a/src/aare/daq/mlbox.py
+++ b/src/aare/daq/mlbox.py
@@ -359,7 +359,7 @@ class MlBox:
                 logger.debug(f"Failed to parse prediction: {e}", exc_info=True)
                 continue
 
-            base_key = MLOutputModel.get_class_str(cls=cls)
+            base_key = MLOutputModel.get_class_str(klass=cls)
             if base_key not in out.boxes:
                 out.boxes[base_key] = MLBoxModel(
                     cls=cls,
diff --git a/src/aare/devices/bec_worker.py b/src/aare/devices/bec_worker.py
index 28e908b1..d6a5c1f8 100644
--- a/src/aare/devices/bec_worker.py
+++ b/src/aare/devices/bec_worker.py
@@ -524,8 +524,7 @@ class BECClientWorker:
     def ring_current(self) -> float:
         try:
             return self._ring_current.get()
-        except (RPCError, ScanRequestError) as e:
-            logger.warning(f"Ring current BEC device is not available: {e}")
+        except (RPCError, ScanRequestError):
             return 0