diff --git a/daq/src/aaredaq/daq.py b/daq/src/aaredaq/daq.py
index 0c98a449..466aa172 100644
--- a/daq/src/aaredaq/daq.py
+++ b/daq/src/aaredaq/daq.py
@@ -952,7 +952,7 @@ class AareDAQ:
             centre_x = x1 + (x2 - x1)/2
 
         else:
-            print(f"unknown box class {cls}")
+            logger.debug(f"unknown box class {cls}")
             return None, cls, classes if classes else None
 
         coord = geom.picture_to_smargon(Coordinate(x=centre_x, y=centre_y))