diff --git a/LEGO1/mxdsobject.cpp b/LEGO1/mxdsobject.cpp
index 29633124..40acfbc5 100644
--- a/LEGO1/mxdsobject.cpp
+++ b/LEGO1/mxdsobject.cpp
@@ -113,16 +113,16 @@ unsigned int MxDSObject::CalculateUnk08()
 }
 
 // OFFSET: LEGO1 0x100bfa20
-void MxDSObject::Parse(char **p_source, MxU16 p_unk24)
+void MxDSObject::Parse(char **p_source, MxS16 p_unk24)
 {
   this->SetSourceName(*p_source);
   *p_source += strlen(this->m_sourceName) + 1;
-  this->m_unk14 = *(int*) *p_source;
+  this->m_unk14 = *(undefined4*) *p_source;
   *p_source += 4;
 
   this->SetObjectName(*p_source);
   *p_source += strlen(this->m_objectName) + 1;
-  this->m_unk1c = *(int*) *p_source;
+  this->m_unk1c = *(undefined4*) *p_source;
   *p_source += 4;
 
   this->m_unk24 = p_unk24;
diff --git a/LEGO1/mxdsobject.h b/LEGO1/mxdsobject.h
index 6cea396f..7c767480 100644
--- a/LEGO1/mxdsobject.h
+++ b/LEGO1/mxdsobject.h
@@ -29,7 +29,7 @@ class MxDSObject : public MxCore
 
   virtual int unk14(); // vtable+14;
   virtual unsigned int CalculateUnk08(); // vtable+18;
-  virtual void Parse(char **p_source, MxU16 p_unk24); // vtable+1c;
+  virtual void Parse(char **p_source, MxS16 p_unk24); // vtable+1c;
 
   inline const MxAtomId& GetAtomId() { return this->m_atomId; }
   inline int GetUnknown1c() { return this->m_unk1c; }