diff --git a/PCbuild/pcbuild.proj b/PCbuild/pcbuild.proj
index a2a637a3044373..0d2ee87666e5c9 100644
--- a/PCbuild/pcbuild.proj
+++ b/PCbuild/pcbuild.proj
@@ -6,6 +6,7 @@
   <PropertyGroup Label="Globals">
     <ProjectGuid>{CC9B93A2-439D-4058-9D29-6DCF43774405}</ProjectGuid>
     <Platform Condition="'$(Platform)' == ''">Win32</Platform>
+    <PreferredToolArchitecture Condition="'$(Platform)' == 'x64'">x64</PreferredToolArchitecture>
     <Configuration Condition="'$(Configuration)' == ''">Release</Configuration>
     <IncludeExtensions Condition="'$(IncludeExtensions)' == ''">true</IncludeExtensions>
     <IncludeExternals Condition="'$(IncludeExternals)' == ''">true</IncludeExternals>