diff --git a/LEGO1/mxbackgroundaudiomanager.cpp b/LEGO1/mxbackgroundaudiomanager.cpp
index b1a35bf0..c7f4db9b 100644
--- a/LEGO1/mxbackgroundaudiomanager.cpp
+++ b/LEGO1/mxbackgroundaudiomanager.cpp
@@ -3,15 +3,13 @@
 // OFFSET: LEGO1 0x1007ea90
 MxBackgroundAudioManager::MxBackgroundAudioManager()
 {
-  // TODO
-  m_unk14c = 0;
   NotificationManager()->Register(this);
   m_unka0 = 0;
   m_unk138 = 0;
-  m_unk148 = 0;
   m_unk13c = 0;
   m_unk140 = 0;
   m_unk144 = 0;
+  m_unk148 = 0;
   m_musicEnabled = FALSE;
 }
 
diff --git a/LEGO1/mxbackgroundaudiomanager.h b/LEGO1/mxbackgroundaudiomanager.h
index b03bacb9..c6f2f1e7 100644
--- a/LEGO1/mxbackgroundaudiomanager.h
+++ b/LEGO1/mxbackgroundaudiomanager.h
@@ -4,6 +4,7 @@
 #include "mxcore.h"
 #include "mxdsaction.h"
 #include "mxtypes.h"
+#include "mxnotificationmanager.h"
 
 // VTABLE 0x100d9fe8
 // SIZE 0x150
@@ -39,8 +40,8 @@ class MxBackgroundAudioManager : public MxCore
   MxS32 m_unk13c;
   MxS32 m_unk140;
   MxS32 m_unk144;
-  MxS8 m_unk148;
-  MxS32 m_unk14c;
+  MxS16 m_unk148;
+  MxAtomId m_unk14c;
 };
 
 #endif // MXBACKGROUNDAUDIOMANAGER_H