1 files changed, 4 insertions, 3 deletions
diff --git a/src/mscorlib/src/System/Collections/ListDictionaryInternal.cs b/src/mscorlib/src/System/Collections/ListDictionaryInternal.cs
index 3f92038d4f..17eb89a2b2 100644
--- a/src/mscorlib/src/System/Collections/ListDictionaryInternal.cs
+++ b/src/mscorlib/src/System/Collections/ListDictionaryInternal.cs
@@ -20,11 +20,12 @@ namespace System.Collections
     ///    will be smaller and faster than a Hashtable if the number of elements is 10 or less.
     ///    This should not be used if performance is important for large numbers of elements.
     [Serializable]
+    [System.Runtime.CompilerServices.TypeForwardedFrom("mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089")] 
     internal class ListDictionaryInternal : IDictionary
     {
-        private DictionaryNode head;
-        private int version;
-        private int count;
+        private DictionaryNode head; // Do not rename (binary serialization)
+        private int version; // Do not rename (binary serialization)
+        private int count; // Do not rename (binary serialization)
         [NonSerialized]
         private Object _syncRoot;