diff --git a/PCbuild/tcl.vcxproj b/PCbuild/tcl.vcxproj
index ab68db9210fbe4..2233559dfc8f5a 100644
--- a/PCbuild/tcl.vcxproj
+++ b/PCbuild/tcl.vcxproj
@@ -63,8 +63,8 @@
     <NMakeBuildCommandLine>setlocal
 set VCINSTALLDIR=$(VCInstallDir)
 cd /D "$(tclDir)win"
-nmake -f makefile.vc MACHINE=$(TclMachine) OPTS=$(TclOpts) $(TclDirs) $(DebugFlags) $(WarningsFlags) TCLSH_NATIVE="$(tclWin32Exe)" core shell dlls
-nmake -f makefile.vc MACHINE=$(TclMachine) OPTS=$(TclOpts) $(TclDirs) $(DebugFlags) $(WarningsFlags) TCLSH_NATIVE="$(tclWin32Exe)" install-binaries install-libraries
+nmake -f makefile.vc MACHINE=$(TclMachine) OPTS=$(TclOpts) $(TclDirs) $(DebugFlags) $(WarningsFlags) $(TclshNativeFlag) core shell dlls
+nmake -f makefile.vc MACHINE=$(TclMachine) OPTS=$(TclOpts) $(TclDirs) $(DebugFlags) $(WarningsFlags) $(TclshNativeFlag) install-binaries install-libraries
 copy /Y ..\license.terms "$(OutDir)\tcllicense.terms"
 </NMakeBuildCommandLine>
   </PropertyGroup>
@@ -74,4 +74,4 @@ copy /Y ..\license.terms "$(OutDir)\tcllicense.terms"
   <Target Name="Clean" />
   
   <Target Name="ResolveAssemblyReferences" />
-</Project>
\ No newline at end of file
+</Project>
diff --git a/PCbuild/tcltk.props b/PCbuild/tcltk.props
index 55f98be1eb7eeb..a1da1155b881fd 100644
--- a/PCbuild/tcltk.props
+++ b/PCbuild/tcltk.props
@@ -17,8 +17,7 @@
     <tcltkDir Condition="$(tcltkDir) == ''">$(ExternalsDir)tcltk-$(TclVersion)\$(ArchName)\</tcltkDir>
     <tcltkSuffix Condition="'$(TclMajorVersion)' == '8'">t</tcltkSuffix>
     <tkPrefix Condition="'$(TclMajorVersion)' == '9'">tcl9</tkPrefix>
-    <tclWin32Exe Condition="$(Platform) == 'Win32'">$(tcltkDir)\bin\tclsh$(TclMajorVersion)$(TclMinorVersion)$(tcltkSuffix).exe</tclWin32Exe>
-    <tclWin32Exe Condition="$(Platform) != 'Win32'">$(tcltkDir)\..\win32\bin\tclsh$(TclMajorVersion)$(TclMinorVersion)$(tcltkSuffix).exe</tclWin32Exe>
+    <TclshNativeFlag Condition="$(Platform) != 'Win32'">TCLSH_NATIVE="$(tcltkDir)\..\win32\bin\tclsh$(TclMajorVersion)$(TclMinorVersion)$(tcltkSuffix).exe"</TclshNativeFlag>
     <tclExternalTommath Condition="$(TclMajorVersion) == '9'">TCL_WITH_EXTERNAL_TOMMATH;</tclExternalTommath>
 
     <!--<TclDebugExt Condition="'$(Configuration)' == 'Debug'">g</TclDebugExt>-->
diff --git a/PCbuild/tk.vcxproj b/PCbuild/tk.vcxproj
index b111969ca5de6c..204244db0d3e4b 100644
--- a/PCbuild/tk.vcxproj
+++ b/PCbuild/tk.vcxproj
@@ -64,8 +64,8 @@
     <NMakeBuildCommandLine>setlocal
 set VCINSTALLDIR=$(VCInstallDir)
 cd /D "$(tkDir)win"
-nmake /nologo -f makefile.vc RC=rc MACHINE=$(TclMachine) OPTS=$(TkOpts) $(TkDirs) $(DebugFlags) $(WarningsFlags) TCLSH_NATIVE="$(tclWin32Exe)" all
-nmake /nologo -f makefile.vc RC=rc MACHINE=$(TclMachine) OPTS=$(TkOpts) $(TkDirs) $(DebugFlags) $(WarningsFlags) TCLSH_NATIVE="$(tclWin32Exe)" install-binaries install-libraries
+nmake /nologo -f makefile.vc RC=rc MACHINE=$(TclMachine) OPTS=$(TkOpts) $(TkDirs) $(DebugFlags) $(WarningsFlags) $(TclshNativeFlag) all
+nmake /nologo -f makefile.vc RC=rc MACHINE=$(TclMachine) OPTS=$(TkOpts) $(TkDirs) $(DebugFlags) $(WarningsFlags) $(TclshNativeFlag) install-binaries install-libraries
 copy /Y ..\license.terms "$(OutDir)\tklicense.terms"
 </NMakeBuildCommandLine>
   </PropertyGroup>
@@ -80,4 +80,4 @@ copy /Y ..\license.terms "$(OutDir)\tklicense.terms"
   <Target Name="Clean" />
   
   <Target Name="ResolveAssemblyReferences" />
-</Project>
\ No newline at end of file
+</Project>