diff --git a/index.js b/index.js
index 28c79cd..64c1401 100644
--- a/index.js
+++ b/index.js
@@ -3,6 +3,7 @@ const Cache = require('cache-point')
 const DmdOptions = require('./lib/dmd-options')
 const dmdVersion = require('./package').version
 const FileSet = require('file-set')
+const os = require('os')
 
 /**
  * Transforms doclet data into markdown documentation.
@@ -17,7 +18,8 @@ async function dmd (templateData, options) {
     return generate(templateData, options)
   } else {
     try {
-      return dmd.cache.read([templateData, options, dmdVersion])
+      const result = await dmd.cache.read([templateData, options, dmdVersion])
+      return result
     } catch (err) {
       /* cache miss */
       return generate(templateData, options)
@@ -25,7 +27,7 @@ async function dmd (templateData, options) {
   }
 }
 
-dmd.cache = new Cache({ dir: path.join(require('os').tmpdir(), 'dmd') })
+dmd.cache = new Cache({ dir: path.join(os.tmpdir(), 'dmd') })
 
 async function generate (templateData, options) {
   const fs = require('fs')
diff --git a/test/ddata/children.js b/test/ddata/children.js
index 557b2af..219f519 100644
--- a/test/ddata/children.js
+++ b/test/ddata/children.js
@@ -27,4 +27,3 @@ test.set('_children', function () {
 })
 
 module.exports = { test, only, skip }
-