diff --git a/mast3r/cloud_opt/tsdf_optimizer.py b/mast3r/cloud_opt/tsdf_optimizer.py
index 69f138c..e56b62c 100644
--- a/mast3r/cloud_opt/tsdf_optimizer.py
+++ b/mast3r/cloud_opt/tsdf_optimizer.py
@@ -26,7 +26,7 @@ def __init__(self, optimizer, subsample=8, TSDF_thresh=0., TSDF_batchsize=int(1e
 
     def _get_depthmaps(self, TSDF_filtering_thresh=None):
         if TSDF_filtering_thresh:
-            self._refine_depths_with_TSDF(self.optimizer, TSDF_filtering_thresh)  # compute refined depths if needed
+            self._refine_depths_with_TSDF(TSDF_filtering_thresh)  # compute refined depths if needed
         dms = self.TSDF_im_depthmaps if TSDF_filtering_thresh else self.im_depthmaps
         return [d.exp() for d in dms]