diff --git a/Source/Contents/MapSkyMgr.h b/Source/Contents/MapSkyMgr.h
index 76e0ad87..7cc556ae 100644
--- a/Source/Contents/MapSkyMgr.h
+++ b/Source/Contents/MapSkyMgr.h
@@ -45,7 +45,7 @@ public:
 
 class CMapSkyMgr {
 public:
-  CMapSkyMgr();
+  __declspec(noinline) CMapSkyMgr();
   // INLINED
   virtual ~CMapSkyMgr() {
     if (this->m_script) {