diff --git a/src/windows/DeSmuME_2008.vcproj b/src/windows/DeSmuME_2008.vcproj
index b313cc53a..d7316fb75 100644
--- a/src/windows/DeSmuME_2008.vcproj
+++ b/src/windows/DeSmuME_2008.vcproj
@@ -228,13 +228,13 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
+				AdditionalOptions="/MP"
 				Optimization="2"
 				InlineFunctionExpansion="2"
 				EnableIntrinsicFunctions="true"
 				FavorSizeOrSpeed="1"
 				OmitFramePointers="true"
 				EnableFiberSafeOptimizations="true"
-				WholeProgramOptimization="true"
 				AdditionalIncludeDirectories=".;..;&quot;lua\lua-5.1.4\src&quot;;&quot;glib-2.20.1\build&quot;;&quot;glib-2.20.1\build\glib&quot;;.\zlib123;.\zziplib;.\winpcap;userconfig;defaultconfig;.\7z;.\agg\include;.\agg\examples"
 				PreprocessorDefinitions="_CRT_SECURE_NO_DEPRECATE;GLIB_STATIC_COMPILATION;WIN32;HAVE_LIBZ;NOMINMAX;RELEASE;NDEBUG"
 				StringPooling="true"