diff --git a/bob/ip/binseg/engine/evaluator.py b/bob/ip/binseg/engine/evaluator.py
index 07a7c86f8874dd0af50763d578a91b0a6b8a9f27..1bac73519c91419d3fb908375092468a7547767c 100644
--- a/bob/ip/binseg/engine/evaluator.py
+++ b/bob/ip/binseg/engine/evaluator.py
@@ -264,7 +264,7 @@ def run(
     """
 
     # Collect overall metrics
-    bins = 100  # number of thresholds to analyse for
+    bins = 1000  # number of thresholds to analyse for
     data = {}
 
     for sample in tqdm(dataset):