1 files changed, 18 insertions, 1 deletions
diff --git a/tests/Jellyfin.Common.Tests/Json/JsonGuidConverterTests.cs b/tests/Jellyfin.Common.Tests/Json/JsonGuidConverterTests.cs
index 663cc3c78..1e1cde957 100644
--- a/tests/Jellyfin.Common.Tests/Json/JsonGuidConverterTests.cs
+++ b/tests/Jellyfin.Common.Tests/Json/JsonGuidConverterTests.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Globalization;
 using System.Text.Json;
 using MediaBrowser.Common.Json.Converters;
 using Xunit;
@@ -46,7 +47,23 @@ namespace Jellyfin.Common.Tests.Json
         [Fact]
         public void Serialize_EmptyGuid_EmptyGuid()
         {
-            Assert.Equal($"\"{Guid.Empty}\"", JsonSerializer.Serialize(Guid.Empty, _options));
+            Assert.Equal($"\"{Guid.Empty:N}\"", JsonSerializer.Serialize(Guid.Empty, _options));
+        }
+
+        [Fact]
+        public void Serialize_Valid_NoDash_Success()
+        {
+            var guid = new Guid("531797E9-9457-40E0-88BC-B1D6D38752FA");
+            var str = JsonSerializer.Serialize(guid, _options);
+            Assert.Equal($"\"{guid:N}\"", str);
+        }
+
+        [Fact]
+        public void Serialize_Nullable_Success()
+        {
+            Guid? guid = new Guid("531797E9-9457-40E0-88BC-B1D6D38752FA");
+            var str = JsonSerializer.Serialize(guid, _options);
+            Assert.Equal($"\"{guid:N}\"", str);
         }
     }
 }