diff --git a/src/cristallina/analysis.py b/src/cristallina/analysis.py
index 1d30b22..e270a86 100644
--- a/src/cristallina/analysis.py
+++ b/src/cristallina/analysis.py
@@ -36,7 +36,7 @@ def setup_cachedirs(pgroup=None, cachedir=None):
             parts = re.split(r"(\d.*)", pgroup)  # ['p', '2343', '']
             pgroup_no = parts[-2]
 
-        candidates = [f"/das/work/units/cristallina/p{pgroup_no}", 
+        candidates = [f"/sf/cristallina/data/p{pgroup_no}/work", 
                       f"/sf/cristallina/data/p{pgroup_no}/res",]
         
         for cache_parent_dir in candidates:
@@ -310,7 +310,7 @@ def perform_image_roi_crop(
                 im_ROI = im[:, roi.rows, roi.cols]
 
             if lower_cutoff is not None:
-                im_ROI = np.clip(im_ROI, lower_cutoff, upper_cutoff)
+                im_ROI = np.where((im_ROI < lower_cutoff) | (im_ROI > upper_cutoff), 0, im_ROI)
 
             rois_within_batch.extend(im_ROI)