diff --git a/Src/Newtonsoft.Json.Tests/Converters/XmlNodeConverterTest.cs b/Src/Newtonsoft.Json.Tests/Converters/XmlNodeConverterTest.cs
index d8b87495..4d0936ec 100644
--- a/Src/Newtonsoft.Json.Tests/Converters/XmlNodeConverterTest.cs
+++ b/Src/Newtonsoft.Json.Tests/Converters/XmlNodeConverterTest.cs
@@ -2117,7 +2117,7 @@ namespace Newtonsoft.Json.Tests.Converters
 
             try
             {
-                System.Threading.Thread.CurrentThread.CurrentCulture = new CultureInfo("ru");
+                System.Threading.Thread.CurrentThread.CurrentCulture = new CultureInfo("ru-RU");
 
                 // in russian culture value 12.27 will be written as 12,27