diff --git a/Src/Newtonsoft.Json/Serialization/JsonSerializerInternalBase.cs b/Src/Newtonsoft.Json/Serialization/JsonSerializerInternalBase.cs
index da378710..096a5792 100644
--- a/Src/Newtonsoft.Json/Serialization/JsonSerializerInternalBase.cs
+++ b/Src/Newtonsoft.Json/Serialization/JsonSerializerInternalBase.cs
@@ -58,6 +58,7 @@ namespace Newtonsoft.Json.Serialization
 
         internal readonly JsonSerializer Serializer;
         internal readonly ITraceWriter TraceWriter;
+        protected JsonSerializerProxy InternalSerializer;
 
         protected JsonSerializerInternalBase(JsonSerializer serializer)
         {
diff --git a/Src/Newtonsoft.Json/Serialization/JsonSerializerInternalReader.cs b/Src/Newtonsoft.Json/Serialization/JsonSerializerInternalReader.cs
index bf5c2426..778e5a46 100644
--- a/Src/Newtonsoft.Json/Serialization/JsonSerializerInternalReader.cs
+++ b/Src/Newtonsoft.Json/Serialization/JsonSerializerInternalReader.cs
@@ -57,8 +57,6 @@ namespace Newtonsoft.Json.Serialization
             Value = 2
         }
 
-        private JsonSerializerProxy _internalSerializer;
-
         public JsonSerializerInternalReader(JsonSerializer serializer)
             : base(serializer)
         {
@@ -184,10 +182,10 @@ namespace Newtonsoft.Json.Serialization
 
         private JsonSerializerProxy GetInternalSerializer()
         {
-            if (_internalSerializer == null)
-                _internalSerializer = new JsonSerializerProxy(this);
+            if (InternalSerializer == null)
+                InternalSerializer = new JsonSerializerProxy(this);
 
-            return _internalSerializer;
+            return InternalSerializer;
         }
 
         private JToken CreateJToken(JsonReader reader, JsonContract contract)
diff --git a/Src/Newtonsoft.Json/Serialization/JsonSerializerInternalWriter.cs b/Src/Newtonsoft.Json/Serialization/JsonSerializerInternalWriter.cs
index 960fd72e..b22d03ce 100644
--- a/Src/Newtonsoft.Json/Serialization/JsonSerializerInternalWriter.cs
+++ b/Src/Newtonsoft.Json/Serialization/JsonSerializerInternalWriter.cs
@@ -51,7 +51,6 @@ namespace Newtonsoft.Json.Serialization
         private JsonContract _rootContract;
         private int _rootLevel;
         private readonly List<object> _serializeStack = new List<object>();
-        private JsonSerializerProxy _internalSerializer;
 
         public JsonSerializerInternalWriter(JsonSerializer serializer)
             : base(serializer)
@@ -104,10 +103,10 @@ namespace Newtonsoft.Json.Serialization
 
         private JsonSerializerProxy GetInternalSerializer()
         {
-            if (_internalSerializer == null)
-                _internalSerializer = new JsonSerializerProxy(this);
+            if (InternalSerializer == null)
+                InternalSerializer = new JsonSerializerProxy(this);
 
-            return _internalSerializer;
+            return InternalSerializer;
         }
 
         private JsonContract GetContractSafe(object value)