diff --git a/src/spikeinterface/sortingcomponents/clustering/circus.py b/src/spikeinterface/sortingcomponents/clustering/circus.py
index 9f7bfe43cb..221f5aa18e 100644
--- a/src/spikeinterface/sortingcomponents/clustering/circus.py
+++ b/src/spikeinterface/sortingcomponents/clustering/circus.py
@@ -56,8 +56,7 @@ class CircusClustering:
             "recursive_depth": 3,
             "returns_split_count": True,
         },
-        "split_kwargs": {"projection_mode" : "tsvd",
-                         "percentile_variance_explained" : 95},
+        "split_kwargs": {"projection_mode": "tsvd", "percentile_variance_explained": 95},
         "radius_um": 100,
         "n_svd": 5,
         "few_waveforms": None,