diff --git a/fluent-package/msi/assets/fluentd.bat b/fluent-package/msi/assets/fluentd.bat
index d3ca83a87..061497626 100644
--- a/fluent-package/msi/assets/fluentd.bat
+++ b/fluent-package/msi/assets/fluentd.bat
@@ -6,21 +6,23 @@ if "%~nx0" == "td-agent.bat" (
 )
 
 @rem Convert path separator from backslash to forwardslash
-setlocal enabledelayedexpansion
-set FLUENT_PACKAGE_TOPDIR=!FLUENT_PACKAGE_TOPDIR:\=/!
+set FLUENT_PACKAGE_TOPDIR=%FLUENT_PACKAGE_TOPDIR:\=/%
 
 set PATH=%FLUENT_PACKAGE_TOPDIR%bin;%PATH%
 set PATH=%FLUENT_PACKAGE_TOPDIR%;%PATH%
-set "FLUENT_CONF=%FLUENT_PACKAGE_TOPDIR%/etc/fluent/fluentd.conf"
-set "FLUENT_PLUGIN=%FLUENT_PACKAGE_TOPDIR%/etc/fluent/plugin"
-set "FLUENT_PACKAGE_VERSION=%FLUENT_PACKAGE_TOPDIR%/bin/fluent-package-version.rb"
+set "FLUENT_CONF=%FLUENT_PACKAGE_TOPDIR%etc/fluent/fluentd.conf"
+set "FLUENT_PLUGIN=%FLUENT_PACKAGE_TOPDIR%etc/fluent/plugin"
+
+setlocal
+set "FLUENT_PACKAGE_VERSION=%FLUENT_PACKAGE_TOPDIR%bin/fluent-package-version.rb"
 for %%p in (%*) do (
     if "%%p"=="--version" (
         ruby "%FLUENT_PACKAGE_VERSION%"
         goto last
     )
 )
-"%FLUENT_PACKAGE_TOPDIR%/bin/fluentd" %*
 endlocal
 
+"%FLUENT_PACKAGE_TOPDIR%bin/fluentd" %*
+
 :last