diff --git a/LEGO1/mxcontrolpresenter.cpp b/LEGO1/mxcontrolpresenter.cpp
index e9e10ef8..7210952c 100644
--- a/LEGO1/mxcontrolpresenter.cpp
+++ b/LEGO1/mxcontrolpresenter.cpp
@@ -1,7 +1,14 @@
 #include "mxcontrolpresenter.h"
 
-// OFFSET: LEGO1 0x10043f50 STUB
+DECOMP_SIZE_ASSERT(MxControlPresenter, 0x5c)
+
+// OFFSET: LEGO1 0x10043f50
 MxControlPresenter::MxControlPresenter()
 {
-  // TODO
+  this->m_unk4c = 0;
+  this->m_unk4e = -1;
+  this->m_unk50 = 0;
+  this->m_unk52 = 0;
+  this->m_unk58 = 0;
+  this->m_unk54 = 0;
 }
\ No newline at end of file
diff --git a/LEGO1/mxcontrolpresenter.h b/LEGO1/mxcontrolpresenter.h
index 909a3502..18af66a3 100644
--- a/LEGO1/mxcontrolpresenter.h
+++ b/LEGO1/mxcontrolpresenter.h
@@ -1,6 +1,8 @@
 #ifndef MXCONTROLPRESENTER_H
 #define MXCONTROLPRESENTER_H
 
+#include "decomp.h"
+
 #include "mxcompositepresenter.h"
 
 // VTABLE 0x100d7b88
@@ -22,7 +24,13 @@ class MxControlPresenter : public MxCompositePresenter
   {
     return !strcmp(name, MxControlPresenter::ClassName()) || MxCompositePresenter::IsA(name);
   }
-
+private:
+  undefined2 m_unk4c;
+  MxS16 m_unk4e;
+  undefined m_unk50;
+  undefined2 m_unk52;
+  undefined2 m_unk54;
+  undefined4 m_unk58;
 };