diff --git a/include/JSystem/JAudio2/JASTrack.h b/include/JSystem/JAudio2/JASTrack.h
index 06a54ebec8..796bb6afd7 100644
--- a/include/JSystem/JAudio2/JASTrack.h
+++ b/include/JSystem/JAudio2/JASTrack.h
@@ -17,6 +17,12 @@ namespace JASDsp {
     extern const u32 FILTER_MODE_IIR;
 };
 
+#if !BIT_64
+const int JASTrackNodeOffset = 0x240;
+#else
+const int JASTrackNodeOffset = 0x310;
+#endif
+
 /**
  * @ingroup jsystem-jaudio
  * 
@@ -48,7 +54,7 @@ struct JASTrack : public JASPoolAllocObject_MultiThreaded<JASTrack> {
         /* 0x4c */ JASTrack* mTrack;
     };
 
-    struct TList : JGadget::TLinkList<JASTrack, -0x240> {
+    struct TList : JGadget::TLinkList<JASTrack, JASTrackNodeOffset> {
         TList() : mCallbackRegistered(false) {}
         void append(JASTrack*);
         void seqMain();
@@ -265,4 +271,8 @@ struct JASTrack : public JASPoolAllocObject_MultiThreaded<JASTrack> {
     /* 0x240 */ JGadget::TLinkListNode field_0x240;
 };
 
+#if TARGET_PC
+static_assert(offsetof(JASTrack, field_0x240) == JASTrackNodeOffset);
+#endif
+
 #endif /* JASTRACK_H */
diff --git a/include/JSystem/JHostIO/JORServer.h b/include/JSystem/JHostIO/JORServer.h
index d92e588117..32a9b6f19e 100644
--- a/include/JSystem/JHostIO/JORServer.h
+++ b/include/JSystem/JHostIO/JORServer.h
@@ -29,8 +29,12 @@ struct JOREventCallbackListNode {
     /* 0x04 */ JGadget::TLinkListNode m_node;
     /* 0x0C */ u32 field_0xc;
     /* 0x10 */ u32 field_0x10;
+
+    static const int NodeOffset;
 };
 
+inline const int JOREventCallbackListNode::NodeOffset = -(int)offsetof(JOREventCallbackListNode, m_node);
+
 class JORFile;
 class JORDir;
 class JORHostInfo_String;
@@ -39,7 +43,7 @@ class JORHostInfo_CalendarTime;
 class JORServer : public JHITag<JHICmnMem> {
 public:
     typedef void (*EventFunc)(u32,char *);
-    typedef JGadget::TLinkList<JOREventCallbackListNode, -4> CallbackLinkList;
+    typedef JGadget::TLinkList<JOREventCallbackListNode, JOREventCallbackListNode::NodeOffset> CallbackLinkList;
 
     enum ECommand {
         ECommand_GetRootObj    = 1,
diff --git a/include/JSystem/JStudio/JStudio/ctb.h b/include/JSystem/JStudio/JStudio/ctb.h
index fb1312b870..1d5b2f5751 100644
--- a/include/JSystem/JStudio/JStudio/ctb.h
+++ b/include/JSystem/JStudio/JStudio/ctb.h
@@ -20,8 +20,12 @@ struct TObject : public object::TObject_ID {
     /* 0x08 vtable */
     /* 0x0C */ JGadget::TLinkListNode ocObject_;
     /* 0x14 */ const void* pData_;
+
+    static const int NodeOffset;
 };
 
+inline const int TObject::NodeOffset = -(int)offsetof(TObject, ocObject_);
+
 struct data {
     struct THeaderData {
         u32 signature;
@@ -137,7 +141,7 @@ struct TControl {
     void setFactory(TFactory* factory) { pFactory_ = factory; }
 
     /* 0x4 */ TFactory* pFactory_;
-    /* 0x8 */ JGadget::TLinkList<TObject, -12> ocObject_;
+    /* 0x8 */ JGadget::TLinkList<TObject, TObject::NodeOffset> ocObject_;
 };
 
 struct TParse : public JGadget::binary::TParse_header_block {
diff --git a/include/JSystem/JStudio/JStudio/fvb.h b/include/JSystem/JStudio/JStudio/fvb.h
index 8c9aa30d8a..fad21e5021 100644
--- a/include/JSystem/JStudio/JStudio/fvb.h
+++ b/include/JSystem/JStudio/JStudio/fvb.h
@@ -41,11 +41,15 @@ public:
 
     TFunctionValue* const referFunctionValue() { return pfv_; }
 
+    static const int NodeOffset;
+
 protected:
     /* 0x0C */ JGadget::TLinkListNode mNode;
     /* 0x14 */ TFunctionValue* pfv_;
 };
 
+inline const int TObject::NodeOffset = -(int)offsetof(TObject, mNode);
+
 class TFactory {
 public:
     TFactory() {}
@@ -72,7 +76,7 @@ public:
 
 private:
     /* 0x4 */ TFactory* pFactory;
-    /* 0x8 */ JGadget::TLinkList<TObject, -12> ocObject_;
+    /* 0x8 */ JGadget::TLinkList<TObject, TObject::NodeOffset> ocObject_;
 };  // Size: 0x14
 
 class TObject_composite : public TObject {
diff --git a/include/JSystem/JStudio/JStudio/jstudio-control.h b/include/JSystem/JStudio/JStudio/jstudio-control.h
index a41df62dd3..6b6f65f3d8 100644
--- a/include/JSystem/JStudio/JStudio/jstudio-control.h
+++ b/include/JSystem/JStudio/JStudio/jstudio-control.h
@@ -25,8 +25,12 @@ struct TCreateObject {
     }
 
     /* 0x4 */ JGadget::TLinkListNode mNode;
+
+    static const int NodeOffset;
 };  // Size: 0xC
 
+inline const int TCreateObject::NodeOffset = -(int)offsetof(TCreateObject, mNode);
+
 struct TFactory : public stb::TFactory {
     TFactory() {}
 
@@ -35,7 +39,7 @@ struct TFactory : public stb::TFactory {
 
     void appendCreateObject(JStudio::TCreateObject*);
 
-    /* 0x04 */ JGadget::TLinkList<TCreateObject, -4> mList;
+    /* 0x04 */ JGadget::TLinkList<TCreateObject, TCreateObject::NodeOffset> mList;
     /* 0x10 */ fvb::TFactory fvb_Factory;
     /* 0x14 */ ctb::TFactory ctb_Factory;
 };
diff --git a/include/JSystem/JStudio/JStudio/stb.h b/include/JSystem/JStudio/JStudio/stb.h
index 52ddf088af..6b4b6ca938 100644
--- a/include/JSystem/JStudio/JStudio/stb.h
+++ b/include/JSystem/JStudio/JStudio/stb.h
@@ -118,8 +118,12 @@ public: // private: // public for the fakematch in JStudio_JStage::TAdaptor_acto
     /* 0x28 */ const void* pSequence_next;
     /* 0x2C */ u32 u32Wait_;
     /* 0x30 */ TEStatus mStatus;
+
+    static const int NodeOffset;
 };
 
+inline const int TObject::NodeOffset = -(int)offsetof(TObject, ocObject_);
+
 class TFactory {
 public:
     TFactory() {}
@@ -163,7 +167,7 @@ private:
     /* 0x04 */ u32 _4;
     /* 0x08 */ u32 _8;
     /* 0x0C */ TFactory* pFactory;
-    /* 0x10 */ JGadget::TLinkList<TObject, -12> ocObject_;
+    /* 0x10 */ JGadget::TLinkList<TObject, TObject::NodeOffset> ocObject_;
     /* 0x1C */ u32 mStatus;
     /* 0x20 */ TObject_control mObject_control;
     /* 0x54 */ s32 _54;
diff --git a/src/JSystem/JStudio/JStudio/ctb.cpp b/src/JSystem/JStudio/JStudio/ctb.cpp
index a28752af7a..4b231b2c46 100644
--- a/src/JSystem/JStudio/JStudio/ctb.cpp
+++ b/src/JSystem/JStudio/JStudio/ctb.cpp
@@ -45,9 +45,9 @@ void JStudio::ctb::TControl::destroyObject_all() {
 
 // NONMATCHING - TPRObject_ID_equal issues
 JStudio::ctb::TObject* JStudio::ctb::TControl::getObject(void const* param_0, u32 param_1) {
-    JGadget::TLinkList<TObject, -12>::iterator begin = ocObject_.begin();
-    JGadget::TLinkList<TObject, -12>::iterator end = ocObject_.end();
-    JGadget::TLinkList<TObject, -12>::iterator local_50 = std::find_if(begin, end, object::TPRObject_ID_equal(param_0, param_1));
+    JGadget::TLinkList<TObject, TObject::NodeOffset>::iterator begin = ocObject_.begin();
+    JGadget::TLinkList<TObject, TObject::NodeOffset>::iterator end = ocObject_.end();
+    JGadget::TLinkList<TObject, TObject::NodeOffset>::iterator local_50 = std::find_if(begin, end, object::TPRObject_ID_equal(param_0, param_1));
     if ((local_50 != end) != false) {
         return &*local_50;
     }
@@ -58,7 +58,7 @@ JStudio::ctb::TObject* JStudio::ctb::TControl::getObject_index(u32 param_0) {
     if (param_0 >= ocObject_.size()) {
         return 0;
     }
-    JGadget::TLinkList<TObject, -12>::iterator aiStack_14 = ocObject_.begin();
+    JGadget::TLinkList<TObject, TObject::NodeOffset>::iterator aiStack_14 = ocObject_.begin();
     std::advance(aiStack_14, param_0);
     return &*aiStack_14;
 }
diff --git a/src/JSystem/JStudio/JStudio/fvb.cpp b/src/JSystem/JStudio/JStudio/fvb.cpp
index 94721909c4..c7cee4c956 100644
--- a/src/JSystem/JStudio/JStudio/fvb.cpp
+++ b/src/JSystem/JStudio/JStudio/fvb.cpp
@@ -329,7 +329,7 @@ void TControl::destroyObject_all() {
 }
 
 TObject* TControl::getObject(void const* id, u32 idSize) {
-    typedef JGadget::TLinkList<TObject, -12>::iterator iterator;
+    typedef JGadget::TLinkList<TObject, TObject::NodeOffset>::iterator iterator;
     iterator begin = ocObject_.begin();
     iterator end = ocObject_.end();
     iterator it = std::find_if(begin, end, object::TPRObject_ID_equal(id, idSize));
@@ -341,7 +341,7 @@ TObject* TControl::getObject_index(u32 index) {
         return NULL;
     }
 
-    JGadget::TLinkList<TObject, -12>::iterator it = ocObject_.begin();
+    JGadget::TLinkList<TObject, TObject::NodeOffset>::iterator it = ocObject_.begin();
     std::advance(it, index);
     return &*it;
 }
diff --git a/src/JSystem/JStudio/JStudio/jstudio-control.cpp b/src/JSystem/JStudio/JStudio/jstudio-control.cpp
index 38fe394ea0..23add46c1e 100644
--- a/src/JSystem/JStudio/JStudio/jstudio-control.cpp
+++ b/src/JSystem/JStudio/JStudio/jstudio-control.cpp
@@ -82,7 +82,7 @@ void JStudio::TFactory::appendCreateObject(JStudio::TCreateObject* param_0) {
 
 
 JStudio::TObject* JStudio::TFactory::create(JStudio::stb::data::TParse_TBlock_object const& rParse) {
-    JGadget::TContainerEnumerator<JGadget::TLinkList<TCreateObject, -4> > aTStack_368(mList);
+    JGadget::TContainerEnumerator<JGadget::TLinkList<TCreateObject, TCreateObject::NodeOffset> > aTStack_368(mList);
     while(aTStack_368) {
         TCreateObject& piVar1 = *aTStack_368;
         JStudio::TObject* obj;
diff --git a/src/JSystem/JStudio/JStudio/stb.cpp b/src/JSystem/JStudio/JStudio/stb.cpp
index b2dbddbd6d..8b5f3a4f8c 100644
--- a/src/JSystem/JStudio/JStudio/stb.cpp
+++ b/src/JSystem/JStudio/JStudio/stb.cpp
@@ -331,9 +331,9 @@ void TControl::destroyObject_all() {
 
 // NONMATCHING - TPRObject_ID_equal copy issue
 TObject* TControl::getObject(void const* param_0, u32 param_1) {
-    JGadget::TLinkList<TObject, -12>::iterator begin = ocObject_.begin();
-    JGadget::TLinkList<TObject, -12>::iterator end = ocObject_.end();
-    JGadget::TLinkList<TObject, -12>::iterator local_50 = std::find_if(begin, end, object::TPRObject_ID_equal(param_0, param_1));
+    JGadget::TLinkList<TObject, TObject::NodeOffset>::iterator begin = ocObject_.begin();
+    JGadget::TLinkList<TObject, TObject::NodeOffset>::iterator end = ocObject_.end();
+    JGadget::TLinkList<TObject, TObject::NodeOffset>::iterator local_50 = std::find_if(begin, end, object::TPRObject_ID_equal(param_0, param_1));
     if ((local_50 != end) != false) {
         return &*local_50;
     }
@@ -343,7 +343,7 @@ TObject* TControl::getObject(void const* param_0, u32 param_1) {
 void TControl::reset() {
     resetStatus_();
     mObject_control.reset();
-    JGadget::TContainerEnumerator<JGadget::TLinkList<JStudio::stb::TObject, -12> > aTStack_18(ocObject_);
+    JGadget::TContainerEnumerator<JGadget::TLinkList<JStudio::stb::TObject, TObject::NodeOffset> > aTStack_18(ocObject_);
     while (aTStack_18) {
         (*aTStack_18).reset();
     }
@@ -354,7 +354,7 @@ bool TControl::forward(u32 param_0) {
     bool rv = mObject_control.forward(param_0);
     int uVar7 = 0xf;
     int uVar6 = 0;
-    JGadget::TContainerEnumerator<JGadget::TLinkList<JStudio::stb::TObject, -12> > aTStack_38(ocObject_);
+    JGadget::TContainerEnumerator<JGadget::TLinkList<JStudio::stb::TObject, TObject::NodeOffset> > aTStack_38(ocObject_);
     while (aTStack_38) {
         JStudio::stb::TObject& this_00 = *aTStack_38;
         rv = this_00.forward(param_0) || rv;