diff --git a/mne/preprocessing/tests/test_fine_cal.py b/mne/preprocessing/tests/test_fine_cal.py
index b25b824bae0..02c596bf4bc 100644
--- a/mne/preprocessing/tests/test_fine_cal.py
+++ b/mne/preprocessing/tests/test_fine_cal.py
@@ -232,7 +232,7 @@ def test_fine_cal_systems(system, tmp_path):
         n_ref = 28
         corrs = (0.19, 0.41, 0.49)
         sfs = [0.5, 0.7, 0.9, 1.5]
-        corr_tol = 0.45
+        corr_tol = 0.55
     elif system == "fil":
         raw = read_raw_fil(fil_fname, verbose="error")
         raw.info["bads"] = [f"G2-{a}-{b}" for a in ("MW", "DS", "DT") for b in "YZ"]