diff --git a/lib/core/renderer.js b/lib/core/renderer.js
index f3be97e5bb..821512c7cd 100644
--- a/lib/core/renderer.js
+++ b/lib/core/renderer.js
@@ -413,7 +413,8 @@ export default class Renderer extends Tapable {
       // Try to find original position
       const { line, column, name, source } = smc.originalPositionFor({
         line: frame.getLineNumber() || 0,
-        column: frame.getColumnNumber() || 0
+        column: frame.getColumnNumber() || 0,
+        bias: SourceMapConsumer.LEAST_UPPER_BOUND
       })
       if (line) {
         frame.lineNumber = line
diff --git a/test/debug.test.js b/test/debug.test.js
new file mode 100644
index 0000000000..189721bc16
--- /dev/null
+++ b/test/debug.test.js
@@ -0,0 +1,44 @@
+import test from 'ava'
+import { resolve } from 'path'
+import rp from 'request-promise-native'
+import { Nuxt, Builder } from '../index.js'
+
+const port = 4009
+const url = (route) => 'http://localhost:' + port + route
+
+let nuxt = null
+
+// Init nuxt.js and create server listening on localhost:4000
+test.before('Init Nuxt.js', async t => {
+  const rootDir = resolve(__dirname, 'fixtures/debug')
+  let config = require(resolve(rootDir, 'nuxt.config.js'))
+  config.rootDir = rootDir
+  config.dev = false
+  nuxt = new Nuxt(config)
+  await new Builder(nuxt).build()
+
+  await nuxt.listen(port, 'localhost')
+})
+
+test('/test/_open (open-in-editor)', async t => {
+  const { body } = await rp(url('/test/_open?file=pages/index.vue'), { resolveWithFullResponse: true })
+  t.is(body, 'opened in editor!')
+})
+
+test('/test/_open should return error (open-in-editor)', async t => {
+  const { body } = await rp(url('/test/_open?file='), { resolveWithFullResponse: true })
+  t.is(body, 'File is not specified')
+})
+
+test('/test/error should return error stack trace (Youch)', async t => {
+  const { response, error } = await t.throws(nuxt.renderAndGetWindow(url('/test/error')))
+  t.is(response.statusCode, 500)
+  t.is(response.statusMessage, 'NuxtServerError')
+  t.true(error.includes('test youch !'))
+  t.true(error.includes('<div class="error-frames">'))
+})
+
+// Close server and ask nuxt to stop listening to file changes
+test.after('Closing server and nuxt.js', t => {
+  nuxt.close()
+})
diff --git a/test/fixtures/debug/nuxt.config.js b/test/fixtures/debug/nuxt.config.js
new file mode 100644
index 0000000000..2e05a7cd6e
--- /dev/null
+++ b/test/fixtures/debug/nuxt.config.js
@@ -0,0 +1,10 @@
+module.exports = {
+  router: {
+    base: '/test/'
+  },
+  debug: true,
+  editor: {
+    cmd: 'echo',
+    pattern: ''
+  }
+}
diff --git a/test/fixtures/debug/pages/error.vue b/test/fixtures/debug/pages/error.vue
new file mode 100644
index 0000000000..ed9d681ade
--- /dev/null
+++ b/test/fixtures/debug/pages/error.vue
@@ -0,0 +1,12 @@
+<template>
+  <h1>Error page</h1>
+</template>
+
+<script>
+/* eslint no-undef: 0 */
+export default {
+  data () {
+    throw new Error('test youch !')
+  }
+}
+</script>
diff --git a/test/fixtures/debug/pages/index.vue b/test/fixtures/debug/pages/index.vue
new file mode 100644
index 0000000000..e69de29bb2