diff --git a/csharp/ql/src/Security Features/CWE-020/RuntimeChecksBypassBad.cs b/csharp/ql/src/Security Features/CWE-020/RuntimeChecksBypassBad.cs
index 8777e35874a..c41bbf776b1 100644
--- a/csharp/ql/src/Security Features/CWE-020/RuntimeChecksBypassBad.cs	
+++ b/csharp/ql/src/Security Features/CWE-020/RuntimeChecksBypassBad.cs	
@@ -16,6 +16,6 @@ public class PersonBad : ISerializable
     [OnDeserializing]
     void ISerializable.GetObjectData(SerializationInfo info, StreamingContext context)
     {
-        Age = info.GetInt32("age");  // $ Alert // BAD - write is unsafe
+        Age = info.GetInt32("age");  // $ Alert[cs/serialization-check-bypass] // BAD - write is unsafe
     }
 }