diff --git a/YamlDotNet.Test/Serialization/DeserializerTest.cs b/YamlDotNet.Test/Serialization/DeserializerTest.cs
index 642136481..9b2a4580c 100644
--- a/YamlDotNet.Test/Serialization/DeserializerTest.cs
+++ b/YamlDotNet.Test/Serialization/DeserializerTest.cs
@@ -28,6 +28,7 @@
 using YamlDotNet.Core;
 using YamlDotNet.Serialization;
 using YamlDotNet.Serialization.NamingConventions;
+using System.Globalization;
 
 namespace YamlDotNet.Test.Serialization
 {
@@ -279,7 +280,8 @@ public static IEnumerable<object[]> DeserializeScalarEdgeCases_TestCases
         public void DeserializeScalarEdgeCases(IConvertible value, Type type)
         {
             var deserializer = new DeserializerBuilder().Build();
-            var result = deserializer.Deserialize(value.ToString(), type);
+            var stringValue = string.Format(CultureInfo.InvariantCulture, "{0}", value);
+            var result = deserializer.Deserialize(stringValue, type);
 
             result.Should().Be(value);
         }