diff --git a/src/astrohack/_utils/_holog.py b/src/astrohack/_utils/_holog.py
index 25070bdd..cf39482c 100644
--- a/src/astrohack/_utils/_holog.py
+++ b/src/astrohack/_utils/_holog.py
@@ -191,6 +191,8 @@ def _holog_chunk(holog_chunk_params):
     else:
         radius = radius_u
 
+    logger.debug(radius)
+
     if holog_chunk_params['apply_mask']:
     # Masking Aperture image
         mask = _mask_circular_disk(