diff --git a/src/Renci.SshNet/Abstractions/ThreadAbstraction.cs b/src/Renci.SshNet/Abstractions/ThreadAbstraction.cs
index f1ed202a..fe6e3e21 100644
--- a/src/Renci.SshNet/Abstractions/ThreadAbstraction.cs
+++ b/src/Renci.SshNet/Abstractions/ThreadAbstraction.cs
@@ -36,6 +36,8 @@ namespace Renci.SshNet.Abstractions
         /// <param name="action">The action to execute.</param>
         public static void ExecuteThread(Action action)
         {
+            if (action == null)
+                throw new ArgumentNullException("action");
 #if FEATURE_THREAD_THREADPOOL
             System.Threading.ThreadPool.QueueUserWorkItem(o => action());
 #elif FEATURE_THREAD_TAP