diff --git a/CMakeLists.txt b/CMakeLists.txt
index e3b28ec6..3485f285 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -190,6 +190,7 @@ if (ISLE_USE_SMARTHEAP)
   target_link_libraries(lego1 PRIVATE SmartHeap::SmartHeap)
 endif()
 
+target_include_directories(lego1 PRIVATE "dx5sdk/inc")
 # Link libraries
 target_link_libraries(lego1 PRIVATE ddraw dsound winmm "${CMAKE_SOURCE_DIR}/dx5sdk/lib/dinput.lib" "${CMAKE_SOURCE_DIR}/dx5sdk/lib/dxguid.lib")
 
diff --git a/LEGO1/legoinputmanager.cpp b/LEGO1/legoinputmanager.cpp
index bfc0c4df..026037db 100644
--- a/LEGO1/legoinputmanager.cpp
+++ b/LEGO1/legoinputmanager.cpp
@@ -2,6 +2,7 @@
 
 #include "decomp.h"
 #include "legoomni.h"
+#include "mxautolocker.h"
 
 //DECOMP_SIZE_ASSERT(LegoInputManager, 0x338); // 0x10059085
 
@@ -47,7 +48,7 @@ void LegoInputManager::QueueEvent(NotificationId id, unsigned char p2, MxLong p3
 // OFFSET: LEGO1 0x1005c470 STUB
 void LegoInputManager::Register(MxCore *)
 {
-  // TODO
+  MxAutoLocker* autolocker = new MxAutoLocker(&m_criticalsection);
 }
 
 // OFFSET: LEGO1 0x1005c5c0 STUB
@@ -67,7 +68,7 @@ void LegoInputManager::UnRegister(MxCore *)
 void LegoInputManager::Destroy() 
 {
   ReleaseDX();
-
+  // `scalar_deleting_destructor'
   if (m_unknown_classptr68 != NULL) delete[] m_unknown_classptr68;
   if (m_controlManager != NULL) delete[] m_controlManager;
   return;