diff --git a/Tools/buildbot/build-amd64.bat b/Tools/buildbot/build-amd64.bat
index d7dd5303a2d..a4ed6db89b0 100644
--- a/Tools/buildbot/build-amd64.bat
+++ b/Tools/buildbot/build-amd64.bat
@@ -4,4 +4,4 @@ call "%VS100COMNTOOLS%\..\..\VC\vcvarsall.bat" x86_amd64
 cmd /c Tools\buildbot\clean-amd64.bat
 msbuild /p:useenv=true PCbuild\kill_python.vcxproj /p:Configuration=Debug /p:PlatformTarget=x64
 PCbuild\amd64\kill_python_d.exe
-msbuild /p:useenv=true PCbuild\pcbuild.sln /p:Configuration=Debug /p:PlatformTarget=x64
+msbuild /p:useenv=true PCbuild\pcbuild.sln /p:Configuration=Debug /p:Platform=x64
diff --git a/Tools/buildbot/build.bat b/Tools/buildbot/build.bat
index 50a5abf54c1..c103b756d24 100644
--- a/Tools/buildbot/build.bat
+++ b/Tools/buildbot/build.bat
@@ -4,5 +4,5 @@ call "%VS100COMNTOOLS%vsvars32.bat"
 cmd /c Tools\buildbot\clean.bat
 msbuild /p:useenv=true PCbuild\kill_python.vcxproj /p:Configuration=Debug /p:PlatformTarget=x86
 PCbuild\kill_python_d.exe
-msbuild /p:useenv=true PCbuild\pcbuild.sln /p:Configuration=Debug /p:PlatformTarget=x86
+msbuild /p:useenv=true PCbuild\pcbuild.sln /p:Configuration=Debug /p:Platform=Win32