diff --git a/lib/redirects/precompile.js b/lib/redirects/precompile.js
index 97cd39cacba5..91f57591efbf 100755
--- a/lib/redirects/precompile.js
+++ b/lib/redirects/precompile.js
@@ -1,4 +1,5 @@
 const path = require('path')
+const slash = require('slash')
 const patterns = require('../patterns')
 const { latest } = require('../enterprise-server-releases')
 const getOldPathsFromPermalink = require('../redirects/get-old-paths-from-permalink')
@@ -85,7 +86,7 @@ module.exports = async function precompileRedirects (pages) {
     // add a veriation like `/free-pro-team@latest/v3/gists/comments`;
     // again, we need to do this because all links in content get rewritten
     if (!developerRoute.startsWith('/enterprise/')) {
-      const developerRouteWithVersion = path.join(nonEnterpriseDefaultVersion, developerRoute)
+      const developerRouteWithVersion = slash(path.join(nonEnterpriseDefaultVersion, developerRoute))
       const developerRouteWithVersionAndLanguage = `/en/${developerRouteWithVersion}`
       allRedirects[developerRouteWithVersion] = newPath
       allRedirects[developerRouteWithVersionAndLanguage] = newPath