diff --git a/src/Stateless/Reflection/InvocationInfo.cs b/src/Stateless/Reflection/InvocationInfo.cs
index 9f0270fa..5cec4727 100644
--- a/src/Stateless/Reflection/InvocationInfo.cs
+++ b/src/Stateless/Reflection/InvocationInfo.cs
@@ -63,9 +63,11 @@ public string Description
             {
                 if (_description != null)
                     return _description;
+                if (MethodName == null)
+                    return "<null>";
                 if (MethodName.IndexOfAny(new char[] { '<', '>', '`' }) >= 0)
                     return DefaultFunctionDescription;
-                return MethodName ?? "<null>";
+                return MethodName;
             }
         }
 
diff --git a/test/Stateless.Tests/AsyncActionsFixture.cs b/test/Stateless.Tests/AsyncActionsFixture.cs
index e74d3e76..397b5e4e 100644
--- a/test/Stateless.Tests/AsyncActionsFixture.cs
+++ b/test/Stateless.Tests/AsyncActionsFixture.cs
@@ -5,6 +5,7 @@
 using System.Collections.Generic;
 
 using Xunit;
+using System.Globalization;
 
 namespace Stateless.Tests
 {
@@ -567,7 +568,8 @@ public async Task FireAsyncTriggerWithParametersArray()
         [Fact]
         public async Task FireAsync_TriggerWithMoreThanThreeParameters()
         {
-            const string expectedParam = "42-Stateless-True-420.69-Y";
+            var decimalSeparator = CultureInfo.CurrentCulture.NumberFormat.NumberDecimalSeparator;
+            string expectedParam = $"42-Stateless-True-420{decimalSeparator}69-Y";
             string actualParam = null;
 
             var sm = new StateMachine<State, Trigger>(State.A);