diff --git a/src/spikeinterface/preprocessing/motion.py b/src/spikeinterface/preprocessing/motion.py
index 71ae3f3ebb..ce6b9bb337 100644
--- a/src/spikeinterface/preprocessing/motion.py
+++ b/src/spikeinterface/preprocessing/motion.py
@@ -320,12 +320,12 @@ def correct_motion(
     if folder is not None:
         folder = Path(folder)
         if overwrite:
-            if folder.exists():
+            if folder.is_dir():
                 import shutil
 
                 shutil.rmtree(folder)
         else:
-            assert not folder.exists(), f"Folder {folder} already exists"
+            assert not folder.is_dir(), f"Folder {folder} already exists"
 
         folder.mkdir(exist_ok=True, parents=True)