diff --git a/LEGO1/mxloopingflcpresenter.cpp b/LEGO1/mxloopingflcpresenter.cpp
index f4602f3c..ad46a6d2 100644
--- a/LEGO1/mxloopingflcpresenter.cpp
+++ b/LEGO1/mxloopingflcpresenter.cpp
@@ -1,5 +1,9 @@
 #include "mxloopingflcpresenter.h"
 
+#include "decomp.h"
+
+DECOMP_STATIC_ASSERT(sizeof(MxLoopingFlcPresenter) == 108);
+
 // OFFSET: LEGO1 0x100b4310 STUB
 MxLoopingFlcPresenter::MxLoopingFlcPresenter()
 {
diff --git a/LEGO1/mxloopingflcpresenter.h b/LEGO1/mxloopingflcpresenter.h
index 5152e4d9..1973c28e 100644
--- a/LEGO1/mxloopingflcpresenter.h
+++ b/LEGO1/mxloopingflcpresenter.h
@@ -3,6 +3,8 @@
 
 #include "mxflcpresenter.h"
 
+#include "decomp.h"
+
 // VTABLE 0x100dc480
 // SIZE 0x6c
 class MxLoopingFlcPresenter : public MxFlcPresenter
@@ -17,9 +19,10 @@ class MxLoopingFlcPresenter : public MxFlcPresenter
     // 0x10101e20
     return "MxLoopingFlcPresenter";
   }
-  
+
 private:
   void Init();
+  undefined4 m_unk68;
 };
 
 #endif // MXLOOPINGFLCPRESENTER_H