diff --git a/src/node/utils/Abiword.js b/src/node/utils/Abiword.js
index b75487d75..b93646cd5 100644
--- a/src/node/utils/Abiword.js
+++ b/src/node/utils/Abiword.js
@@ -1,3 +1,4 @@
+'use strict';
 /**
  * Controls the communication with the Abiword application
  */
@@ -25,11 +26,12 @@ const os = require('os');
 
 let doConvertTask;
 
-// on windows we have to spawn a process for each convertion, cause the plugin abicommand doesn't exist on this platform
+// on windows we have to spawn a process for each convertion,
+// cause the plugin abicommand doesn't exist on this platform
 if (os.type().indexOf('Windows') > -1) {
   let stdoutBuffer = '';
 
-  doConvertTask = function (task, callback) {
+  doConvertTask = (task, callback) => {
     // span an abiword process to perform the conversion
     const abiword = spawn(settings.abiword, [`--to=${task.destFile}`, task.srcFile]);
 
@@ -46,11 +48,11 @@ if (os.type().indexOf('Windows') > -1) {
 
     // throw exceptions if abiword is dieing
     abiword.on('exit', (code) => {
-      if (code != 0) {
+      if (code !== 0) {
         return callback(`Abiword died with exit code ${code}`);
       }
 
-      if (stdoutBuffer != '') {
+      if (stdoutBuffer !== '') {
         console.log(stdoutBuffer);
       }
 
@@ -58,17 +60,17 @@ if (os.type().indexOf('Windows') > -1) {
     });
   };
 
-  exports.convertFile = function (srcFile, destFile, type, callback) {
+  exports.convertFile = (srcFile, destFile, type, callback) => {
     doConvertTask({srcFile, destFile, type}, callback);
   };
-}
-// on unix operating systems, we can start abiword with abicommand and communicate with it via stdin/stdout
-// thats much faster, about factor 10
-else {
+  // on unix operating systems, we can start abiword with abicommand and
+  // communicate with it via stdin/stdout
+  // thats much faster, about factor 10
+} else {
   // spawn the abiword process
   let abiword;
   let stdoutCallback = null;
-  var spawnAbiword = function () {
+  const spawnAbiword = () => {
     abiword = spawn(settings.abiword, ['--plugin', 'AbiCommand']);
     let stdoutBuffer = '';
     let firstPrompt = true;
@@ -90,9 +92,9 @@ else {
       stdoutBuffer += data.toString();
 
       // we're searching for the prompt, cause this means everything we need is in the buffer
-      if (stdoutBuffer.search('AbiWord:>') != -1) {
+      if (stdoutBuffer.search('AbiWord:>') !== -1) {
         // filter the feedback message
-        const err = stdoutBuffer.search('OK') != -1 ? null : stdoutBuffer;
+        const err = stdoutBuffer.search('OK') !== -1 ? null : stdoutBuffer;
 
         // reset the buffer
         stdoutBuffer = '';
@@ -110,10 +112,10 @@ else {
   };
   spawnAbiword();
 
-  doConvertTask = function (task, callback) {
+  doConvertTask = (task, callback) => {
     abiword.stdin.write(`convert ${task.srcFile} ${task.destFile} ${task.type}\n`);
     // create a callback that calls the task callback and the caller callback
-    stdoutCallback = function (err) {
+    stdoutCallback = (err) => {
       callback();
       console.log('queue continue');
       try {
@@ -126,7 +128,7 @@ else {
 
   // Queue with the converts we have to do
   const queue = async.queue(doConvertTask, 1);
-  exports.convertFile = function (srcFile, destFile, type, callback) {
+  exports.convertFile = (srcFile, destFile, type, callback) => {
     queue.push({srcFile, destFile, type, callback});
   };
 }