diff --git a/lua.vcxproj b/lua.vcxproj
index 097a0e8..a305e93 100644
--- a/lua.vcxproj
+++ b/lua.vcxproj
@@ -150,6 +150,7 @@ copy $(TargetPath) \EgtProg\DllD64</Command>
       <GenerateDebugInformation>false</GenerateDebugInformation>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <OptimizeReferences>true</OptimizeReferences>
+      <LinkTimeCodeGeneration>UseLinkTimeCodeGeneration</LinkTimeCodeGeneration>
     </Link>
     <PostBuildEvent>
       <Command>copy $(TargetDir)$(TargetName).lib \EgtDev\Extern\lua\Lib\$(TargetName)R32.lib
@@ -175,6 +176,7 @@ copy $(TargetPath) \EgtProg\Dll32</Command>
       <GenerateDebugInformation>false</GenerateDebugInformation>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <OptimizeReferences>true</OptimizeReferences>
+      <LinkTimeCodeGeneration>UseLinkTimeCodeGeneration</LinkTimeCodeGeneration>
     </Link>
     <PostBuildEvent>
       <Command>copy $(TargetDir)$(TargetName).lib \EgtDev\Extern\lua\Lib\$(TargetName)R64.lib