diff --git a/src/NHibernate.Test/Async/NHSpecificTest/GH2673/Fixture.cs b/src/NHibernate.Test/Async/NHSpecificTest/GH2673/Fixture.cs
new file mode 100644
index 00000000000..8d03891ef6d
--- /dev/null
+++ b/src/NHibernate.Test/Async/NHSpecificTest/GH2673/Fixture.cs
@@ -0,0 +1,138 @@
+//------------------------------------------------------------------------------
+// <auto-generated>
+//     This code was generated by AsyncGenerator.
+//
+//     Changes to this file may cause incorrect behavior and will be lost if
+//     the code is regenerated.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+
+using System.IO;
+using System.Runtime.Serialization.Formatters.Binary;
+using NHibernate.Util;
+using NUnit.Framework;
+
+namespace NHibernate.Test.NHSpecificTest.GH2673
+{
+	using System.Threading.Tasks;
+	[TestFixture]
+	public class FixtureAsync : BugTestCase
+	{
+		private readonly BinaryFormatter _formatter;
+
+		public FixtureAsync()
+		{
+			_formatter = new BinaryFormatter
+			{
+#if !NETFX
+				SurrogateSelector = new SerializationHelper.SurrogateSelector()
+#endif
+			};
+		}
+
+		protected override void OnSetUp()
+		{
+			using (var session = OpenSession())
+			using (var transaction = session.BeginTransaction())
+			{
+				var role1 = new Role
+				{
+					Name = "Role1",
+					Key = 11
+				};
+				var role2 = new Role
+				{
+					Name = "Role2",
+					Key = 22
+				};
+				var resource1 = new Resource
+				{
+					Key = 1,
+					Name = "Resource1",
+					ResourceRole = role1
+				};
+				var resource2 = new Resource
+				{
+					Key = 2,
+					Name = "Resource2",
+					ResourceRole = role2,
+					Manager = resource1
+				};
+				session.Save(role1);
+				session.Save(role2);
+				session.Save(resource1);
+				session.Save(resource2);
+
+				transaction.Commit();
+			}
+		}
+
+		protected override void OnTearDown()
+		{
+			using (var session = OpenSession())
+			using (var transaction = session.BeginTransaction())
+			{
+				session.CreateQuery("delete from Resource").ExecuteUpdate();
+				session.CreateQuery("delete from Role").ExecuteUpdate();
+				session.CreateQuery("delete from System.Object").ExecuteUpdate();
+
+				transaction.Commit();
+			}
+		}
+
+		[Test]
+		public async Task TestSerializationAsync()
+		{
+			using (var session = OpenSession())
+			using (var t = session.BeginTransaction())
+			{
+				var resource = await (session.GetAsync<Resource>(2));
+				await (session.GetAsync<Resource>(1));
+
+				var serialized = Serialize(resource);
+				Deserialize(serialized);
+
+				await (t.CommitAsync());
+			}
+		}
+
+		[Test]
+		public async Task TestSerialization2Async()
+		{
+			using (var session = OpenSession())
+			using (var t = session.BeginTransaction())
+			{
+				await (session.GetAsync<Resource>(1));
+				var resource = await (session.GetAsync<Resource>(2));
+
+				var serialized = Serialize(resource);
+				Deserialize(serialized);
+
+				await (t.CommitAsync());
+			}
+		}
+		private byte[] Serialize(object value)
+		{
+			using (var stream = new MemoryStream())
+			{
+				_formatter.Serialize(stream, value);
+				var result = new byte[stream.Length];
+				stream.Position = 0;
+				stream.Read(result, 0, (int) stream.Length);
+				stream.Close();
+				return result;
+			}
+		}
+
+		private object Deserialize(byte[] state)
+		{
+			using (var stream = new MemoryStream())
+			{
+				stream.Write(state, 0, state.Length);
+				stream.Position = 0;
+				return _formatter.Deserialize(stream);
+			}
+		}
+	}
+}
diff --git a/src/NHibernate.Test/NHSpecificTest/GH2673/Fixture.cs b/src/NHibernate.Test/NHSpecificTest/GH2673/Fixture.cs
new file mode 100644
index 00000000000..ab3767ab4cd
--- /dev/null
+++ b/src/NHibernate.Test/NHSpecificTest/GH2673/Fixture.cs
@@ -0,0 +1,127 @@
+using System.IO;
+using System.Runtime.Serialization.Formatters.Binary;
+using NHibernate.Util;
+using NUnit.Framework;
+
+namespace NHibernate.Test.NHSpecificTest.GH2673
+{
+	[TestFixture]
+	public class Fixture : BugTestCase
+	{
+		private readonly BinaryFormatter _formatter;
+
+		public Fixture()
+		{
+			_formatter = new BinaryFormatter
+			{
+#if !NETFX
+				SurrogateSelector = new SerializationHelper.SurrogateSelector()
+#endif
+			};
+		}
+
+		protected override void OnSetUp()
+		{
+			using (var session = OpenSession())
+			using (var transaction = session.BeginTransaction())
+			{
+				var role1 = new Role
+				{
+					Name = "Role1",
+					Key = 11
+				};
+				var role2 = new Role
+				{
+					Name = "Role2",
+					Key = 22
+				};
+				var resource1 = new Resource
+				{
+					Key = 1,
+					Name = "Resource1",
+					ResourceRole = role1
+				};
+				var resource2 = new Resource
+				{
+					Key = 2,
+					Name = "Resource2",
+					ResourceRole = role2,
+					Manager = resource1
+				};
+				session.Save(role1);
+				session.Save(role2);
+				session.Save(resource1);
+				session.Save(resource2);
+
+				transaction.Commit();
+			}
+		}
+
+		protected override void OnTearDown()
+		{
+			using (var session = OpenSession())
+			using (var transaction = session.BeginTransaction())
+			{
+				session.CreateQuery("delete from Resource").ExecuteUpdate();
+				session.CreateQuery("delete from Role").ExecuteUpdate();
+				session.CreateQuery("delete from System.Object").ExecuteUpdate();
+
+				transaction.Commit();
+			}
+		}
+
+		[Test]
+		public void TestSerialization()
+		{
+			using (var session = OpenSession())
+			using (var t = session.BeginTransaction())
+			{
+				var resource = session.Get<Resource>(2);
+				session.Get<Resource>(1);
+
+				var serialized = Serialize(resource);
+				Deserialize(serialized);
+
+				t.Commit();
+			}
+		}
+
+		[Test]
+		public void TestSerialization2()
+		{
+			using (var session = OpenSession())
+			using (var t = session.BeginTransaction())
+			{
+				session.Get<Resource>(1);
+				var resource = session.Get<Resource>(2);
+
+				var serialized = Serialize(resource);
+				Deserialize(serialized);
+
+				t.Commit();
+			}
+		}
+		private byte[] Serialize(object value)
+		{
+			using (var stream = new MemoryStream())
+			{
+				_formatter.Serialize(stream, value);
+				var result = new byte[stream.Length];
+				stream.Position = 0;
+				stream.Read(result, 0, (int) stream.Length);
+				stream.Close();
+				return result;
+			}
+		}
+
+		private object Deserialize(byte[] state)
+		{
+			using (var stream = new MemoryStream())
+			{
+				stream.Write(state, 0, state.Length);
+				stream.Position = 0;
+				return _formatter.Deserialize(stream);
+			}
+		}
+	}
+}
diff --git a/src/NHibernate.Test/NHSpecificTest/GH2673/Mappings.hbm.xml b/src/NHibernate.Test/NHSpecificTest/GH2673/Mappings.hbm.xml
new file mode 100644
index 00000000000..2e45fdb85c2
--- /dev/null
+++ b/src/NHibernate.Test/NHSpecificTest/GH2673/Mappings.hbm.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<hibernate-mapping xmlns="urn:nhibernate-mapping-2.2" assembly="NHibernate.Test"
+                   namespace="NHibernate.Test.NHSpecificTest.GH2673">
+
+  <class name="Role" table="Roles">
+    <id name="Key">
+      <column name="RoleID" not-null="true"/>
+      <generator class="assigned" />
+    </id>
+    <property name="Name"/>
+  </class>
+
+  <class name="Resource" table="Resources" dynamic-insert="true">
+    <id name="Key" column="ResourceID" >
+      <generator class="assigned" />
+    </id>
+    <property name="Name"/>
+    <many-to-one name="Manager" class="Resource" column="ManagerID"/>
+    <many-to-one name="ResourceRole" class="Role" column="RoleID"/>
+  </class>
+
+</hibernate-mapping>
diff --git a/src/NHibernate.Test/NHSpecificTest/GH2673/Resource.cs b/src/NHibernate.Test/NHSpecificTest/GH2673/Resource.cs
new file mode 100644
index 00000000000..496c40d68d1
--- /dev/null
+++ b/src/NHibernate.Test/NHSpecificTest/GH2673/Resource.cs
@@ -0,0 +1,13 @@
+using System;
+
+namespace NHibernate.Test.NHSpecificTest.GH2673
+{
+	[Serializable]
+	public class Resource
+	{
+		public virtual int Key { get; set; }
+		public virtual Resource Manager { get; set; }
+		public virtual string Name { get; set; }
+		public virtual Role ResourceRole { get; set; }
+	}
+}
diff --git a/src/NHibernate.Test/NHSpecificTest/GH2673/Role.cs b/src/NHibernate.Test/NHSpecificTest/GH2673/Role.cs
new file mode 100644
index 00000000000..0a52238de71
--- /dev/null
+++ b/src/NHibernate.Test/NHSpecificTest/GH2673/Role.cs
@@ -0,0 +1,11 @@
+using System;
+
+namespace NHibernate.Test.NHSpecificTest.GH2673
+{
+	[Serializable]
+	public class Role
+	{
+		public virtual string Name { get; set; }
+		public virtual int Key { get; set; }
+	}
+}
diff --git a/src/NHibernate/Proxy/StaticProxyFactory.cs b/src/NHibernate/Proxy/StaticProxyFactory.cs
index fa324ea574a..fd1dc7d6698 100644
--- a/src/NHibernate/Proxy/StaticProxyFactory.cs
+++ b/src/NHibernate/Proxy/StaticProxyFactory.cs
@@ -18,17 +18,23 @@ private static readonly ConcurrentDictionary<ProxyCacheEntry, Func<ILazyInitiali
 
 		private static readonly INHibernateLogger Log = NHibernateLogger.For(typeof(StaticProxyFactory));
 
-		private NHibernateProxyFactoryInfo _proxyFactoryInfo;
 		private ProxyCacheEntry _cacheEntry;
 
 		public override INHibernateProxy GetProxy(object id, ISessionImplementor session)
 		{
 			try
 			{
-				var proxyActivator = Cache.GetOrAdd(_cacheEntry, pke => CreateProxyActivator(pke));
+				var proxyActivator = Cache.GetOrAdd(_cacheEntry, CreateProxyActivator);
 				return proxyActivator(
 					new LiteLazyInitializer(EntityName, id, session, PersistentClass),
-					_proxyFactoryInfo);
+					new NHibernateProxyFactoryInfo(
+						EntityName,
+						PersistentClass,
+						Interfaces,
+						GetIdentifierMethod,
+						SetIdentifierMethod,
+						ComponentIdType,
+						IsClassProxy));
 			}
 			catch (Exception ex)
 			{
@@ -48,14 +54,6 @@ public override void PostInstantiate(
 		{
 			base.PostInstantiate(entityName, persistentClass, interfaces, getIdentifierMethod, setIdentifierMethod, componentIdType, isClassProxy);
 
-			_proxyFactoryInfo = new NHibernateProxyFactoryInfo(
-				EntityName,
-				PersistentClass,
-				Interfaces,
-				GetIdentifierMethod,
-				SetIdentifierMethod,
-				ComponentIdType,
-				IsClassProxy);
 			_cacheEntry = new ProxyCacheEntry(IsClassProxy ? PersistentClass : typeof(object), Interfaces);
 		}
 
@@ -79,7 +77,15 @@ public override object GetFieldInterceptionProxy(object instanceToWrap)
 		public object GetFieldInterceptionProxy()
 		{
 			var proxyActivator = FieldInterceptorCache.GetOrAdd(PersistentClass, CreateFieldInterceptionProxyActivator);
-			return proxyActivator(_proxyFactoryInfo);
+			return proxyActivator(
+				new NHibernateProxyFactoryInfo(
+					EntityName,
+					PersistentClass,
+					Interfaces,
+					GetIdentifierMethod,
+					SetIdentifierMethod,
+					ComponentIdType,
+					IsClassProxy));
 		}
 
 		private Func<NHibernateProxyFactoryInfo, IFieldInterceptorAccessor> CreateFieldInterceptionProxyActivator(System.Type baseType)