diff --git a/HTTP/MIMEType.cs b/HTTP/MIMEType.cs
index b9aa3c3..be4ca5a 100644
--- a/HTTP/MIMEType.cs
+++ b/HTTP/MIMEType.cs
@@ -90,10 +90,7 @@ class MIMETypeConverter : JsonConverter<MIMEType>
 
     public override MIMEType Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
     {
-        string? str = reader.GetString();
-        if (str == null)
-            throw new JsonException("Cannot read MIME type");
-
+        string? str = reader.GetString() ?? throw new JsonException("Cannot read MIME type");
         return new MIMEType(str);
     }