diff --git a/lib/index.js b/lib/index.js
index 76ea2cb..c557deb 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -70,17 +70,17 @@ const writeShim_ = (from, to, prog, args, variables) => {
   args = args || ''
   variables = variables || ''
   if (!prog) {
-    prog = `"%dp0%\\${target}"`
+    prog = `"%dp0%${target}"`
     shProg = `"$basedir/${shTarget}"`
     pwshProg = shProg
     args = ''
     target = ''
     shTarget = ''
   } else {
-    longProg = `"%dp0%\\${prog}.exe"`
+    longProg = `"%dp0%${prog}.exe"`
     shLongProg = `"$basedir/${prog}"`
     pwshLongProg = `"$basedir/${prog}$exe"`
-    target = `"%dp0%\\${target}"`
+    target = `"%dp0%${target}"`
     shTarget = `"$basedir/${shTarget}"`
   }
 
@@ -89,7 +89,7 @@ const writeShim_ = (from, to, prog, args, variables) => {
   const head = '@ECHO off\r\n' +
     'GOTO start\r\n' +
     ':find_dp0\r\n' +
-    'SET dp0=%~dp0\r\n' +
+    'SET "dp0=%~dp0"\r\n' +
     'EXIT /b\r\n' +
     ':start\r\n' +
     'SETLOCAL\r\n' +