diff --git a/src/Numerics/SpecialFunctions/Beta.cs b/src/Numerics/SpecialFunctions/Beta.cs
index 597e5b11..e0269caf 100644
--- a/src/Numerics/SpecialFunctions/Beta.cs
+++ b/src/Numerics/SpecialFunctions/Beta.cs
@@ -146,7 +146,7 @@ namespace MathNet.Numerics
             d = 1.0/d;
             var h = d;
 
-            for (int m = 1, m2 = 2; m <= 140; m++, m2 += 2)
+            for (int m = 1, m2 = 2; m <= 50000; m++, m2 += 2)
             {
                 var aa = m*(b - m)*x/((qam + m2)*(a + m2));
                 d = 1.0 + (aa*d);