diff --git a/src/spikeinterface/sorters/internal/lupin.py b/src/spikeinterface/sorters/internal/lupin.py
index 7865114f6e..e09036fd8c 100644
--- a/src/spikeinterface/sorters/internal/lupin.py
+++ b/src/spikeinterface/sorters/internal/lupin.py
@@ -194,7 +194,8 @@ def _run_from_folder(cls, sorter_output_folder, params, verbose):
                 if apply_cmr:
                     recording = common_reference(recording)
             else:
-                recording = apply_preprocessing_pipeline(recording, params["preprocessing_dict"])
+                recording = apply_preprocessing_pipeline(recording_raw, params["preprocessing_dict"])
+                recording = recording.astype("float32")
 
             recording = whiten(
                 recording,
diff --git a/src/spikeinterface/sorters/internal/tridesclous2.py b/src/spikeinterface/sorters/internal/tridesclous2.py
index 67fcb2e599..a4306dd431 100644
--- a/src/spikeinterface/sorters/internal/tridesclous2.py
+++ b/src/spikeinterface/sorters/internal/tridesclous2.py
@@ -159,7 +159,8 @@ def _run_from_folder(cls, sorter_output_folder, params, verbose):
                 if apply_cmr:
                     recording = common_reference(recording)
             else:
-                recording = apply_preprocessing_pipeline(recording, params["preprocessing_dict"])
+                recording = apply_preprocessing_pipeline(recording_raw, params["preprocessing_dict"])
+                recording = recording.astype("float32")
 
             if params["apply_motion_correction"]:
                 interpolate_motion_kwargs = dict(
diff --git a/src/spikeinterface/sortingcomponents/tools.py b/src/spikeinterface/sortingcomponents/tools.py
index 70afc17b39..3efb4e6d2e 100644
--- a/src/spikeinterface/sortingcomponents/tools.py
+++ b/src/spikeinterface/sortingcomponents/tools.py
@@ -429,11 +429,11 @@ def cache_preprocessing(
 
     elif mode == "folder":
         assert folder is not None, "cache_preprocessing(): folder must be given"
-        recording = recording.save_to_folder(folder=folder)
+        recording = recording.save_to_folder(folder=folder, **job_kwargs)
         cache_info["folder"] = folder
     elif mode == "zarr":
         assert folder is not None, "cache_preprocessing(): folder must be given"
-        recording = recording.save_to_zarr(folder=folder)
+        recording = recording.save_to_zarr(folder=folder, **job_kwargs)
         cache_info["folder"] = folder
     elif mode == "no-cache":
         recording = recording
@@ -445,7 +445,7 @@ def cache_preprocessing(
             cache_info["mode"] = "memory"
         elif folder is not None:
             # then try folder
-            recording = recording.save_to_folder(folder=folder)
+            recording = recording.save_to_folder(folder=folder, **job_kwargs)
             cache_info["mode"] = "folder"
             cache_info["folder"] = folder
         else: