diff --git a/lib/config.js b/lib/config.js
index dc5b5d9..fbf664f 100644
--- a/lib/config.js
+++ b/lib/config.js
@@ -88,6 +88,9 @@ module.exports = class Config {
       res.server.middleware.unshift(hygienist(res.server.server.baseDir))
     }
 
+    // webpack must consume an array for the value in our entry object
+    for (let key in res.entry) { res.entry[key] = Array.prototype.concat(res.entry[key]) }
+
     // ensure server.watchOptions.ignored is an array (browsersync accepts
     // string or array), then push ['node_modules', '.git', outputDir] to make
     // sure they're not watched
diff --git a/test/app_config.js b/test/app_config.js
index b108a29..598446c 100644
--- a/test/app_config.js
+++ b/test/app_config.js
@@ -50,3 +50,10 @@ test('postcss querystring options', (t) => {
     t.truthy(cssLoaderConfig.loader === 'source-loader!postcss-loader?foo=bar')
   })
 })
+
+test('allows typeof string for entry object\'s value', (t) => {
+  return compileFixture(t, 'app_config', {entry: { 'js/main': './js/index.js' }})
+    .then(({res}) => {
+      t.truthy(Array.isArray(res.stats.compilation.options.entry['js/main']))
+    })
+})