diff --git a/package-scripts.js b/package-scripts.js
index 10d40c69b7..3e8a749fd9 100644
--- a/package-scripts.js
+++ b/package-scripts.js
@@ -264,7 +264,7 @@ module.exports = {
       },
       postbuild: {
         script:
-          'buildProduction docs/_site/index.html --outroot docs/_dist --canonicalroot https://mochajs.org/ --optimizeimages --svgo --inlinehtmlimage 9400 --inlinehtmlscript 0 --asyncscripts && cp docs/_headers docs/_dist/_headers && node scripts/netlify-headers.js >> docs/_dist/_headers',
+          'mkdirp docs/_dist && buildProduction docs/_site/index.html --outroot docs/_dist --canonicalroot https://mochajs.org/ --optimizeimages --svgo --inlinehtmlimage 9400 --inlinehtmlscript 0 --asyncscripts && cp docs/_headers docs/_dist/_headers && node scripts/netlify-headers.js >> docs/_dist/_headers',
         description: 'Post-process docs after build',
         hiddenFromHelp: true
       },