diff --git a/FastRng/Double/Distributions/Normal.cs b/FastRng/Double/Distributions/Normal.cs
index b825280..58fb8a9 100644
--- a/FastRng/Double/Distributions/Normal.cs
+++ b/FastRng/Double/Distributions/Normal.cs
@@ -24,7 +24,7 @@ namespace FastRng.Double.Distributions
             set
             {
                 this.random = value;
-                this.fitter = new ShapeFitter(Normal.ShapeFunction, this.random, 100, 0.99);
+                this.fitter = new ShapeFitter(Normal.ShapeFunction, this.random, 50, 0.99);
             }
         }