diff --git a/src/Correo.Abstractions/Extensions/ModelExtensions.cs b/src/Correo.Abstractions/Extensions/ModelExtensions.cs
index 6fc3d9a..1b3658d 100644
--- a/src/Correo.Abstractions/Extensions/ModelExtensions.cs
+++ b/src/Correo.Abstractions/Extensions/ModelExtensions.cs
@@ -9,6 +9,13 @@ namespace Correo.Abstractions.Extensions
             => addresses != null ? string.Join(',', addresses.Select(z => z.Address)) : string.Empty;
 
         public static string Log(this EmailMessage message)
-            => $"Email sent: Subject: {message.Subject}; From: {message.From.Address}; To: {message.To.Log()}; Cc: {message.Cc.Log()}; Bcc: {message.Bcc.Log()};";
+        {
+            var msg = $"Email sent: Subject: {message.Subject}; From: {message.From.Address}; To: {message.To.Log()};";
+            if (message.Cc != null)
+                msg += $" Cc: {message.Cc.Log()};";
+            if (message.Bcc != null)
+                msg += $" Bcc: {message.Bcc.Log()};";
+            return msg;
+        }
     }
 }