diff --git a/lib/index.js b/lib/index.js
index a1f1548..1b6d1d8 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -109,13 +109,12 @@ const writeShim_ = (from, to, prog, args, variables) => {
         + `  SET "_prog=${longProg.replace(/(^")|("$)/g, '')}"\r\n`
         + ') ELSE (\r\n'
         + `  SET "_prog=${prog.replace(/(^")|("$)/g, '')}"\r\n`
-        + '  SET PATHEXT=%PATHEXT:;.JS;=;%\r\n'
         + ')\r\n'
         + '\r\n'
         // prevent "Terminate Batch Job? (Y/n)" message
         // https://github.com/npm/cli/issues/969#issuecomment-737496588
         + 'endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & '
-        + `"%_prog%" ${args} ${target} %*\r\n`
+        + `set PATHEXT=%PATHEXT:;.JS;=;% & "%_prog%" ${args} ${target} %*\r\n`
   } else {
     cmd = `${head}${prog} ${args} ${target} %*\r\n`
   }
diff --git a/tap-snapshots/test/basic.js.test.cjs b/tap-snapshots/test/basic.js.test.cjs
index 3eac255..901a363 100644
--- a/tap-snapshots/test/basic.js.test.cjs
+++ b/tap-snapshots/test/basic.js.test.cjs
@@ -19,10 +19,9 @@ IF EXIST "%dp0%\\node.exe" (\\r
   SET "_prog=%dp0%\\node.exe"\\r
 ) ELSE (\\r
   SET "_prog=node"\\r
-  SET PATHEXT=%PATHEXT:;.JS;=;%\\r
 )\\r
 \\r
-endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%"  "%dp0%\\from.env" %*\\r
+endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & set PATHEXT=%PATHEXT:;.JS;=;% & "%_prog%"  "%dp0%\\from.env" %*\\r
 
 `
 
@@ -109,10 +108,9 @@ IF EXIST "%dp0%\\node.exe" (\\r
   SET "_prog=%dp0%\\node.exe"\\r
 ) ELSE (\\r
   SET "_prog=node"\\r
-  SET PATHEXT=%PATHEXT:;.JS;=;%\\r
 )\\r
 \\r
-endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%" --expose_gc "%dp0%\\from.env.args" %*\\r
+endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & set PATHEXT=%PATHEXT:;.JS;=;% & "%_prog%" --expose_gc "%dp0%\\from.env.args" %*\\r
 
 `
 
@@ -200,10 +198,9 @@ IF EXIST "%dp0%\\node.exe" (\\r
   SET "_prog=%dp0%\\node.exe"\\r
 ) ELSE (\\r
   SET "_prog=node"\\r
-  SET PATHEXT=%PATHEXT:;.JS;=;%\\r
 )\\r
 \\r
-endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%"  "%dp0%\\from.env.variables" %*\\r
+endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & set PATHEXT=%PATHEXT:;.JS;=;% & "%_prog%"  "%dp0%\\from.env.variables" %*\\r
 
 `
 
@@ -290,10 +287,9 @@ IF EXIST "%dp0%\\/usr/bin/sh.exe" (\\r
   SET "_prog=%dp0%\\/usr/bin/sh.exe"\\r
 ) ELSE (\\r
   SET "_prog=/usr/bin/sh"\\r
-  SET PATHEXT=%PATHEXT:;.JS;=;%\\r
 )\\r
 \\r
-endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%"  "%dp0%\\from.sh" %*\\r
+endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & set PATHEXT=%PATHEXT:;.JS;=;% & "%_prog%"  "%dp0%\\from.sh" %*\\r
 
 `
 
@@ -380,10 +376,9 @@ IF EXIST "%dp0%\\/usr/bin/sh.exe" (\\r
   SET "_prog=%dp0%\\/usr/bin/sh.exe"\\r
 ) ELSE (\\r
   SET "_prog=/usr/bin/sh"\\r
-  SET PATHEXT=%PATHEXT:;.JS;=;%\\r
 )\\r
 \\r
-endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%" -x "%dp0%\\from.sh.args" %*\\r
+endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & set PATHEXT=%PATHEXT:;.JS;=;% & "%_prog%" -x "%dp0%\\from.sh.args" %*\\r
 
 `
 
@@ -590,10 +585,9 @@ IF EXIST "%dp0%\\node.exe" (\\r
   SET "_prog=%dp0%\\node.exe"\\r
 ) ELSE (\\r
   SET "_prog=node"\\r
-  SET PATHEXT=%PATHEXT:;.JS;=;%\\r
 )\\r
 \\r
-endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%" --flag-one --flag-two "%dp0%\\from.env.multiple.variables" %*\\r
+endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & set PATHEXT=%PATHEXT:;.JS;=;% & "%_prog%" --flag-one --flag-two "%dp0%\\from.env.multiple.variables" %*\\r
 
 `
 
@@ -739,10 +733,9 @@ IF EXIST "%dp0%\\node.exe" (\\r
   SET "_prog=%dp0%\\node.exe"\\r
 ) ELSE (\\r
   SET "_prog=node"\\r
-  SET PATHEXT=%PATHEXT:;.JS;=;%\\r
 )\\r
 \\r
-endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%" --expose_gc "%dp0%\\from.env.S" %*\\r
+endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & set PATHEXT=%PATHEXT:;.JS;=;% & "%_prog%" --expose_gc "%dp0%\\from.env.S" %*\\r
 
 `