diff --git a/src/Models/AvatarManager.cs b/src/Models/AvatarManager.cs
index 9f0bceaf..a506d886 100644
--- a/src/Models/AvatarManager.cs
+++ b/src/Models/AvatarManager.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.Globalization;
 using System.IO;
@@ -196,8 +196,8 @@ namespace SourceGit.Models
         private string GetEmailHash(string email)
         {
             var lowered = email.ToLower(CultureInfo.CurrentCulture).Trim();
-            var hash = MD5.Create().ComputeHash(Encoding.Default.GetBytes(lowered));
-            var builder = new StringBuilder();
+            var hash = MD5.HashData(Encoding.Default.GetBytes(lowered).AsSpan());
+            var builder = new StringBuilder(hash.Length * 2);
             foreach (var c in hash)
                 builder.Append(c.ToString("x2"));
             return builder.ToString();