diff --git a/PC/VS7.1/rt.bat b/PC/VS7.1/rt.bat
index f05cf23..29801d2 100755
--- a/PC/VS7.1/rt.bat
+++ b/PC/VS7.1/rt.bat
@@ -27,7 +27,7 @@
 set exe=python
 set qmode=
 set dashO=
-PATH %PATH%;%~dp0..\..\..\tcltk\bin
+PATH %PATH%;..\..\..\tcltk\bin
 
 :CheckOpts
 if "%1"=="-O" (set dashO=-O)     & shift & goto CheckOpts
diff --git a/PC/VS8.0/rt.bat b/PC/VS8.0/rt.bat
index 2e0a681..90fd794 100644
--- a/PC/VS8.0/rt.bat
+++ b/PC/VS8.0/rt.bat
@@ -27,7 +27,7 @@
 set exe=python
 set qmode=
 set dashO=
-PATH %PATH%;%~dp0..\..\..\tcltk\bin
+PATH %PATH%;..\..\..\tcltk\bin
 
 :CheckOpts
 if "%1"=="-O" (set dashO=-O)     & shift & goto CheckOpts
diff --git a/PCbuild/rt.bat b/PCbuild/rt.bat
index 9da1ed1..ee1661a 100644
--- a/PCbuild/rt.bat
+++ b/PCbuild/rt.bat
@@ -30,7 +30,7 @@
 set suffix=
 set qmode=
 set dashO=
-set tcltk=tcltk
+set tcltk=
 
 :CheckOpts
 if "%1"=="-O" (set dashO=-O)     & shift & goto CheckOpts
@@ -38,7 +38,7 @@
 if "%1"=="-d" (set suffix=_d)    & shift & goto CheckOpts
 if "%1"=="-x64" (set prefix=amd64) & (set tcltk=tcltk64) & shift & goto CheckOpts
 
-PATH %PATH%;%~dp0..\..\%tcltk%\bin
+PATH %PATH%;..\..\%tcltk%\bin
 set exe=%prefix%\python%suffix%
 set cmd=%exe% %dashO% -Wd -3 -E -tt ../lib/test/regrtest.py %1 %2 %3 %4 %5 %6 %7 %8 %9
 if defined qmode goto Qmode