diff --git a/src/spikeinterface/sorters/internal/tridesclous2.py b/src/spikeinterface/sorters/internal/tridesclous2.py
index ca1dfa1854..054596e9b3 100644
--- a/src/spikeinterface/sorters/internal/tridesclous2.py
+++ b/src/spikeinterface/sorters/internal/tridesclous2.py
@@ -243,7 +243,7 @@ def _run_from_folder(cls, sorter_output_folder, params, verbose):
                 # threshold_percentile=80.,
                 criteria="distrib_overlap",
                 threshold_overlap=0.3,
-                min_cluster_size=min_cluster_size+1,
+                min_cluster_size=min_cluster_size + 1,
                 # num_shift=0
                 num_shift=5,
             ),