diff --git a/Minecraft.Client/Textures.h b/Minecraft.Client/Textures.h
index eb0799e2c..730b09f01 100644
--- a/Minecraft.Client/Textures.h
+++ b/Minecraft.Client/Textures.h
@@ -1,5 +1,5 @@
 #pragma once
-#include "..\Minecraft.World\ArrayWithLength.h"
+#include "../Minecraft.World/ArrayWithLength.h"
 
 class DynamicTexture;
 class BufferedImage;
diff --git a/Minecraft.World/Entity.cpp b/Minecraft.World/Entity.cpp
index 5ce051ebe..853ac888f 100644
--- a/Minecraft.World/Entity.cpp
+++ b/Minecraft.World/Entity.cpp
@@ -133,7 +133,7 @@ void Entity::countFlagsForPIX()
 void Entity::resetSmallId()
 {
 	freeSmallId(entityId);
-	if( ((size_t)TlsGetValue(tlsIdx) != 0 ) )
+	if( ((size_t)pthread_getspecific(tlsIdx) != 0 ) )
 	{
 		entityId = getSmallId();
 	}
@@ -141,7 +141,7 @@ void Entity::resetSmallId()
 
 void Entity::freeSmallId(int index)
 {
-	if( ( (size_t)TlsGetValue(tlsIdx) ) == 0 ) return;		// Don't do anything with small ids if this isn't the server thread
+	if( ( (size_t)pthread_getspecific(tlsIdx) ) == 0 ) return;		// Don't do anything with small ids if this isn't the server thread
 	if( index >= 2048 ) return;							// Don't do anything if this isn't a short id
 
 	unsigned int i = index / 32;
@@ -164,7 +164,7 @@ void Entity::useSmallIds()
 // Let the management system here know whether or not to consider this particular entity for some extra wandering
 void Entity::considerForExtraWandering(bool enable)
 {
-	if( ( (size_t)TlsGetValue(tlsIdx) ) == 0 ) return;		// Don't do anything with small ids if this isn't the server thread
+	if( ( (size_t)pthread_getspecific(tlsIdx) ) == 0 ) return;		// Don't do anything with small ids if this isn't the server thread
 	if( entityId >= 2048 ) return;							// Don't do anything if this isn't a short id
 
 	unsigned int i = entityId / 32;
@@ -184,7 +184,7 @@ void Entity::considerForExtraWandering(bool enable)
 // Should this entity do wandering in addition to what the java code would have done?
 bool Entity::isExtraWanderingEnabled()
 {
-	if( ( (size_t)TlsGetValue(tlsIdx) ) == 0 ) return false;		// Don't do anything with small ids if this isn't the server thread
+	if( ( (size_t)pthread_getspecific(tlsIdx) ) == 0 ) return false;		// Don't do anything with small ids if this isn't the server thread
 	if( entityId >= 2048 ) return false;						// Don't do anything if this isn't a short id
 
 	for( int i = 0; i < extraWanderCount; i++ )
@@ -247,7 +247,7 @@ void Entity::_init(bool useSmallId)
 	// 4J - changed to assign two different types of ids. A range from 0-2047 is used for things that we'll be wanting to identify over the network,
 	// so we should only need 11 bits rather than 32 to uniquely identify them. The rest of the range is used for anything we don't need to track like this,
 	// currently particles. We only ever want to allocate this type of id from the server thread, so using thread local storage to isolate this.
-	if( useSmallId && ((size_t)TlsGetValue(tlsIdx) != 0 ) )
+	if( useSmallId && ((size_t)pthread_getspecific(tlsIdx) != 0 ) )
 	{
 		entityId = getSmallId();
 	}
diff --git a/Minecraft.World/Entity.h b/Minecraft.World/Entity.h
index 2248ed9ec..94873f899 100644
--- a/Minecraft.World/Entity.h
+++ b/Minecraft.World/Entity.h
@@ -369,7 +369,7 @@ private:
 #if defined(_WIN32)
 	static DWORD tlsIdx;
 #else
-	static pthread_key_t tlsKey;
+	static pthread_key_t tlsIdx;
 #endif
 public:
 	static void tickExtraWandering();
diff --git a/Minecraft.World/EntityIO.cpp b/Minecraft.World/EntityIO.cpp
index 1388a2706..e4bf95f44 100644
--- a/Minecraft.World/EntityIO.cpp
+++ b/Minecraft.World/EntityIO.cpp
@@ -13,7 +13,8 @@
 #include "net.minecraft.world.level.h"
 #include "com.mojang.nbt.h"
 #include "EntityIO.h"
-#include "../Minecraft.Client/OrbisMedia/strings.h"
+#include "../Minecraft.Client/Windows64Media/strings.h"
+
 unordered_map<wstring, entityCreateFn> *EntityIO::idCreateMap = new unordered_map<wstring, entityCreateFn>;
 unordered_map<eINSTANCEOF, wstring, eINSTANCEOFKeyHash, eINSTANCEOFKeyEq> *EntityIO::classIdMap = new unordered_map<eINSTANCEOF, wstring, eINSTANCEOFKeyHash, eINSTANCEOFKeyEq>;
 unordered_map<int, entityCreateFn> *EntityIO::numCreateMap = new unordered_map<int, entityCreateFn>;
diff --git a/Minecraft.World/Mob.cpp b/Minecraft.World/Mob.cpp
index d2dcddfbf..5311b56c9 100644
--- a/Minecraft.World/Mob.cpp
+++ b/Minecraft.World/Mob.cpp
@@ -18,7 +18,7 @@
 #include "net.minecraft.world.item.enchantment.h"
 #include "com.mojang.nbt.h"
 #include "Mob.h"
-#include "..\Minecraft.Client\Textures.h"
+#include "../Minecraft.Client/Textures.h"
 #include "SoundTypes.h"
 #include "BasicTypeContainers.h"
 #include "ParticleTypes.h"