diff --git a/src/Bones.X509/X509CertificateHelper.cs b/src/Bones.X509/X509CertificateHelper.cs
index 4852d1f..db6e2fe 100644
--- a/src/Bones.X509/X509CertificateHelper.cs
+++ b/src/Bones.X509/X509CertificateHelper.cs
@@ -94,7 +94,7 @@ public static X509Certificate2 CreateLeaf(this X509Certificate2 cert, string com
                 var notBefore = DateTimeOffset.UtcNow.AddDays(-1);
                 if (notBefore < cert.NotBefore) notBefore = new DateTimeOffset(cert.NotBefore);
 
-                var notAfter = DateTimeOffset.UtcNow.AddYears(2);
+                var notAfter = DateTimeOffset.UtcNow.AddYears(year);
                 if (notAfter > cert.NotAfter) notAfter = new DateTimeOffset(cert.NotAfter);
 
                 req.CertificateExtensions.Add(