diff --git a/python/usearch/index.py b/python/usearch/index.py
index 10500744..aa133cb6 100644
--- a/python/usearch/index.py
+++ b/python/usearch/index.py
@@ -95,7 +95,7 @@ def _normalize_metric(metric):
             "ip": MetricKind.IP,
             "l2_sq": MetricKind.L2sq,
             "haversine": MetricKind.Haversine,
-            "perason": MetricKind.Pearson,
+            "pearson": MetricKind.Pearson,
             "hamming": MetricKind.Hamming,
             "tanimoto": MetricKind.Tanimoto,
             "sorensen": MetricKind.Sorensen,