diff --git a/EgtMachKernel.vcxproj b/EgtMachKernel.vcxproj
index a624e7f..5664b2c 100644
--- a/EgtMachKernel.vcxproj
+++ b/EgtMachKernel.vcxproj
@@ -196,7 +196,7 @@ copy $(TargetPath) \EgtProg\Dll32</Command>
       <OpenMPSupport>false</OpenMPSupport>
       <PrecompiledHeader>Use</PrecompiledHeader>
       <CompileAs>CompileAsCpp</CompileAs>
-      <EnableFiberSafeOptimizations>true</EnableFiberSafeOptimizations>
+      <EnableFiberSafeOptimizations>false</EnableFiberSafeOptimizations>
       <EnableParallelCodeGeneration>true</EnableParallelCodeGeneration>
       <WholeProgramOptimization>false</WholeProgramOptimization>
       <LanguageStandard>stdcpp17</LanguageStandard>