diff --git a/vroni.vcxproj b/vroni.vcxproj
index 98460d1..e6efc8e 100644
--- a/vroni.vcxproj
+++ b/vroni.vcxproj
@@ -36,7 +36,7 @@
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
     <PlatformToolset>v141_xp</PlatformToolset>
-    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <WholeProgramOptimization>false</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
@@ -114,6 +114,7 @@
       <OmitFramePointers>true</OmitFramePointers>
       <EnableFiberSafeOptimizations>true</EnableFiberSafeOptimizations>
       <AdditionalIncludeDirectories>\EgtDev\Extern\vroni\Include</AdditionalIncludeDirectories>
+      <EnableEnhancedInstructionSet>StreamingSIMDExtensions2</EnableEnhancedInstructionSet>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -158,6 +159,7 @@
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
       <OmitFramePointers>true</OmitFramePointers>
       <AdditionalIncludeDirectories>\EgtDev\Extern\vroni\Include</AdditionalIncludeDirectories>
+      <EnableEnhancedInstructionSet>NotSet</EnableEnhancedInstructionSet>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>