diff --git a/LEGO1/mxaudiomanager.cpp b/LEGO1/mxaudiomanager.cpp
index 05cea8bf..c2141b38 100644
--- a/LEGO1/mxaudiomanager.cpp
+++ b/LEGO1/mxaudiomanager.cpp
@@ -1,5 +1,7 @@
 #include "mxaudiomanager.h"
 
+DECOMP_SIZE_ASSERT(MxAudioManager, 0x30);
+
 // OFFSET: LEGO1 0x100b8d00
 MxAudioManager::MxAudioManager()
 {
@@ -9,7 +11,7 @@ MxAudioManager::MxAudioManager()
 // OFFSET: LEGO1 0x100b8d90
 MxAudioManager::~MxAudioManager()
 {
-  LockedReinitialize(1);
+  LockedReinitialize(TRUE);
 }
 
 // OFFSET: LEGO1 0x100b8df0
@@ -19,13 +21,13 @@ void MxAudioManager::Init()
 }
 
 // OFFSET: LEGO1 0x100b8e00
-void MxAudioManager::LockedReinitialize(MxS8 p_skipTeardown)
+void MxAudioManager::LockedReinitialize(MxBool p_doTeardown)
 {
   this->m_criticalSection.Enter();
   Init();
   this->m_criticalSection.Leave();
 
-  if (!p_skipTeardown) {
+  if (p_doTeardown) {
     Teardown();
   }
 }
@@ -33,5 +35,5 @@ void MxAudioManager::LockedReinitialize(MxS8 p_skipTeardown)
 // OFFSET: LEGO1 0x100b8e90
 void MxAudioManager::Reinitialize()
 {
-  LockedReinitialize(0);
+  LockedReinitialize(FALSE);
 }
\ No newline at end of file
diff --git a/LEGO1/mxaudiomanager.h b/LEGO1/mxaudiomanager.h
index 21286899..232e441f 100644
--- a/LEGO1/mxaudiomanager.h
+++ b/LEGO1/mxaudiomanager.h
@@ -1,6 +1,7 @@
 #ifndef MXAUDIOMANAGER_H
 #define MXAUDIOMANAGER_H
 
+#include "decomp.h"
 #include "mxmediamanager.h"
 
 // VTABLE 0x100dc6e0
@@ -10,12 +11,15 @@ class MxAudioManager : public MxMediaManager
   MxAudioManager();
   virtual ~MxAudioManager() override;
 
-  void LockedReinitialize(MxS8);
   void Reinitialize();
+
+private:
+  void LockedReinitialize(MxBool);
+
 protected:
   void Init();
 
-  int m_unk2c;
+  undefined4 m_unk2c;
 };
 
 #endif // MXAUDIOMANAGER_H