diff --git a/windows/netgen.vcxproj b/windows/netgen.vcxproj
index f25f9e01..6edb62b3 100644
--- a/windows/netgen.vcxproj
+++ b/windows/netgen.vcxproj
@@ -423,6 +423,7 @@
       <TargetMachine>MachineX64</TargetMachine>
       <AllowIsolation>true</AllowIsolation>
       <ImageHasSafeExceptionHandlers>false</ImageHasSafeExceptionHandlers>
+      <StackReserveSize>4000000</StackReserveSize>
     </Link>
     <PostBuildEvent>
       <Message>Running POSTBUILD Script....</Message>