diff --git a/src/Ookii.CommandLine.Tests/CommandTypes.cs b/src/Ookii.CommandLine.Tests/CommandTypes.cs
index fa1f14d..80e33d1 100644
--- a/src/Ookii.CommandLine.Tests/CommandTypes.cs
+++ b/src/Ookii.CommandLine.Tests/CommandTypes.cs
@@ -115,7 +115,7 @@ public int Run()
     public async Task<int> RunAsync(CancellationToken cancellationToken)
     {
         await Task.Delay(Value, cancellationToken);
-        return 0;
+        return 10;
     }
 }
 
diff --git a/src/Ookii.CommandLine.Tests/SubCommandTest.cs b/src/Ookii.CommandLine.Tests/SubCommandTest.cs
index 2185c71..6de3875 100644
--- a/src/Ookii.CommandLine.Tests/SubCommandTest.cs
+++ b/src/Ookii.CommandLine.Tests/SubCommandTest.cs
@@ -353,6 +353,9 @@ public async Task TestAsyncCancelableCommand(ProviderKind kind)
         var manager = CreateManager(kind);
         await Assert.ThrowsExceptionAsync<TaskCanceledException>(
             async () => await manager.RunCommandAsync(["AsyncCancelableCommand", "10000"], source.Token));
+
+        // Command works if not passed a token.
+        Assert.AreEqual(10, await manager.RunCommandAsync(["AsyncCancelableCommand", "10"]));
     }