diff --git a/LEGO1/MxUnknown100dbdbc.h b/LEGO1/MxUnknown100dbdbc.h
index 800d5944..cb83b75e 100644
--- a/LEGO1/MxUnknown100dbdbc.h
+++ b/LEGO1/MxUnknown100dbdbc.h
@@ -1,5 +1,5 @@
-#ifndef MXRENDERMANAGER_H
-#define MXRENDERMANAGER_H
+#ifndef MXUNKNOWN100DBDBC_H
+#define MXUNKNOWN100DBDBC_H
 
 #include "mxtypes.h"
 
@@ -13,4 +13,4 @@ class MxUnknown100dbdbc {
 	char m_unk0x4[0x14]; // TODO: change to 0x10 once scalar deconstructor is added
 };
 
-#endif // MXRENDERMANAGER_H
+#endif // MXUNKNOWN100DBDBC_H
diff --git a/LEGO1/legoomni.cpp b/LEGO1/legoomni.cpp
index b21f45de..8c80bbd6 100644
--- a/LEGO1/legoomni.cpp
+++ b/LEGO1/legoomni.cpp
@@ -19,7 +19,7 @@
 #include "mxdsfile.h"
 #include "mxomnicreateflags.h"
 #include "mxomnicreateparam.h"
-#include "mxrendermanager.h"
+#include "mxunknown100dbdbc.h"
 #include "mxticklemanager.h"
 #include "mxtransitionmanager.h"
 
@@ -526,7 +526,7 @@ MxResult LegoOmni::Create(MxOmniCreateParam& p_param)
 		}
 	}
 
-	m_renderMgr = new MxRenderManager();
+	m_renderMgr = new MxUnknown100dbdbc();
 	m_gifManager = new GifManager();
 	// TODO: there is another class here
 	m_plantManager = new LegoPlantManager();
diff --git a/LEGO1/legoomni.h b/LEGO1/legoomni.h
index 168e0df8..4faffb8e 100644
--- a/LEGO1/legoomni.h
+++ b/LEGO1/legoomni.h
@@ -27,7 +27,7 @@ class MxAtomId;
 class MxBackgroundAudioManager;
 class MxDSFile;
 class MxTransitionManager;
-class MxRenderManager;
+class MxUnknown100dbdbc;
 
 extern MxAtomId* g_copterScript;
 extern MxAtomId* g_dunecarScript;
@@ -117,7 +117,7 @@ class LegoOmni : public MxOmni {
 
 private:
 	undefined4* m_unk0x68;                       // 0x68
-	MxRenderManager* m_renderMgr;                // 0x6c
+	MxUnknown100dbdbc* m_renderMgr;                // 0x6c
 	LegoInputManager* m_inputMgr;                // 0x70
 	GifManager* m_gifManager;                    // 0x74
 	LegoWorldList* m_worldList;                  // 0x78