diff --git a/LEGO1/mxtransitionmanager.h b/LEGO1/mxtransitionmanager.h
index b424e3c2..2276219d 100644
--- a/LEGO1/mxtransitionmanager.h
+++ b/LEGO1/mxtransitionmanager.h
@@ -45,8 +45,7 @@ class MxTransitionManager : public MxCore
 
 private:
   undefined m_pad00[0x20];
-  MxU8 m_unk20;
-  undefined m_pad21[0x03];
+  undefined m_pad20[0x04];
   TransitionType m_transitionType;
   LPDIRECTDRAWSURFACE m_ddSurface;
   MxU16 m_animationTimer;