diff --git a/src/spikeinterface/sortingcomponents/tests/test_peak_detection.py b/src/spikeinterface/sortingcomponents/tests/test_peak_detection.py
index fbab084f0d..9d00ce24a7 100644
--- a/src/spikeinterface/sortingcomponents/tests/test_peak_detection.py
+++ b/src/spikeinterface/sortingcomponents/tests/test_peak_detection.py
@@ -323,8 +323,7 @@ def test_detect_peaks_locally_exclusive_matched_filtering(recording, job_kwargs)
         detect_threshold=5,
         exclude_sweep_ms=0.1,
         prototype=prototype,
-        ms_before=1.0
-        **job_kwargs,
+        ms_before=1.0**job_kwargs,
     )
     assert len(peaks_local_mf_filtering) > len(peaks_by_channel_np)