diff --git a/lib/sync-changes.js b/lib/sync-changes.js
index c01401fe02..4227e4afd7 100644
--- a/lib/sync-changes.js
+++ b/lib/sync-changes.js
@@ -3,8 +3,9 @@ const EventEmitter = require('events')
 
 // npm dependencies
 const browserSync = require('browser-sync')
-const { writeJsonSync } = require('fs-extra')
+const { ensureDirSync, writeJsonSync } = require('fs-extra')
 const path = require('path')
+const util = require('util')
 const { tmpDir } = require('./utils/paths')
 const fs = require('fs')
 
@@ -19,7 +20,15 @@ function hasRestartedAfterError () {
 }
 
 function flagError (error) {
-  writeJsonSync(path.join(tmpDir, 'errors.json'), { error })
+  const errorFormatted = util.inspect(error, {
+    compact: false,
+    depth: Infinity,
+    maxArrayLength: Infinity,
+    maxStringLength: Infinity
+  })
+
+  ensureDirSync(path.dirname(errorsFile))
+  writeJsonSync(errorsFile, { error: errorFormatted })
 }
 
 function unflagError () {
diff --git a/lib/sync-changes.test.js b/lib/sync-changes.test.js
index 3974f55901..574adc5d55 100644
--- a/lib/sync-changes.test.js
+++ b/lib/sync-changes.test.js
@@ -23,11 +23,12 @@ describe('sync-changes', () => {
 
   it('flags error correctly', () => {
     const error = { data: true }
+    const errorFormatted = '{\n  data: true\n}'
 
     syncChanges.flagError(error)
 
     expect(fse.writeJsonSync).toHaveBeenCalledTimes(1)
-    expect(fse.writeJsonSync).toHaveBeenCalledWith(errorsFile, { error })
+    expect(fse.writeJsonSync).toHaveBeenCalledWith(errorsFile, { error: errorFormatted })
   })
 
   it('syncs correctly', () => {