diff --git a/ICSharpCode.Decompiler/CSharp/Transforms/EscapeInvalidIdentifiers.cs b/ICSharpCode.Decompiler/CSharp/Transforms/EscapeInvalidIdentifiers.cs
index 09ea509fd..c56dde2aa 100644
--- a/ICSharpCode.Decompiler/CSharp/Transforms/EscapeInvalidIdentifiers.cs
+++ b/ICSharpCode.Decompiler/CSharp/Transforms/EscapeInvalidIdentifiers.cs
@@ -136,6 +136,7 @@ namespace ICSharpCode.Decompiler.CSharp.Transforms
 						switch (trr.Type.FullName)
 						{
 							case "System.Security.UnverifiableCodeAttribute":
+							case "System.Runtime.CompilerServices.RefSafetyRulesAttribute":
 								attribute.Remove();
 								break;
 						}