diff --git a/windows/ZeroTierOne/ZeroTierOne.vcxproj b/windows/ZeroTierOne/ZeroTierOne.vcxproj
index be2121aa5..43f00bff9 100644
--- a/windows/ZeroTierOne/ZeroTierOne.vcxproj
+++ b/windows/ZeroTierOne/ZeroTierOne.vcxproj
@@ -212,7 +212,7 @@
$(SolutionDir)\ext\bin\libcrypto\include
ZT_OFFICIAL_RELEASE;ZT_AUTO_UPDATE;%(PreprocessorDefinitions)
MultiThreaded
- StreamingSIMDExtensions2
+ NoExtensions
true