diff --git a/build.cmd b/build.cmd
index 3bde7567090de9c62fc5910bacc1e6a684cad023..b13889d7308041d1f229a03c898ce5948ee12776 100644
--- a/build.cmd
+++ b/build.cmd
@@ -527,7 +527,7 @@ if defined TF_BUILD (
     git fetch --all
 )
 
-set msbuildflags=/maxcpucount %_nrswitch% /nologo
+set msbuildflags=%_nrswitch% /nologo
 REM set msbuildflags=%_nrswitch% /nologo
 set _ngenexe="%SystemRoot%\Microsoft.NET\Framework\v4.0.30319\ngen.exe"
 if not exist %_ngenexe% echo Error: Could not find ngen.exe. && goto :failure