diff --git a/CHANGELOG.md b/CHANGELOG.md
index 956ff12..c67e364 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -30,6 +30,7 @@ For major (breaking) changes - version 3 and 2 see end of page.
 
 | Version        | Date           | Comment  |
 | -------------- | -------------- | -------- |
+| 4.8.4          | 2019-06-03     | `vboxInfo()` afixed call parameters |
 | 4.8.3          | 2019-06-01     | `vboxInfo()` added stoppedSince, started, stopped |
 | 4.8.2          | 2019-05-31     | `dockerInfo()` changed property naming style |
 | 4.8.1          | 2019-05-31     | updated docs |
diff --git a/README.md b/README.md
index ae4687b..f80201a 100644
--- a/README.md
+++ b/README.md
@@ -559,7 +559,7 @@ I also created a nice little command line tool called [mmon][mmon-github-url]  (
 | | [0].runningSince | X | X | X | X | X | running since (secs) |
 | | [0].stopped | X | X | X | X | X | stopped date time |
 | | [0].stoppedSince | X | X | X | X | X | stopped since (secs) |
-| | [0].guestOS | X | X | X | X | X | Guest OK |
+| | [0].guestOS | X | X | X | X | X | Guest OS |
 | | [0].hardwareUUID | X | X | X | X | X | Hardware UUID |
 | | [0].memory | X | X | X | X | X | Memory in MB |
 | | [0].vram | X | X | X | X | X | VRAM in MB |
diff --git a/docs/history.html b/docs/history.html
index f5c4d63..cea7c79 100644
--- a/docs/history.html
+++ b/docs/history.html
@@ -80,6 +80,11 @@
                   </tr>
                 </thead>
                 <tbody>
+                  <tr>
+                    <th scope="row">4.8.3</th>
+                    <td>2019-06-03</td>
+                    <td><span class="code">vboxInfo()</span> fixed call parameters</td>
+                  </tr>
                   <tr>
                     <th scope="row">4.8.3</th>
                     <td>2019-05-31</td>
diff --git a/docs/index.html b/docs/index.html
index a5b4bef..9c279c0 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -170,7 +170,7 @@
       <img class="logo" src="assets/logo.png">
       <div class="title">systeminformation</div>
       <div class="subtitle"><span id="typed"></span></div>
-      <div class="version">Current Version: <span id="version">4.8.3</span></div>
+      <div class="version">Current Version: <span id="version">4.8.4</span></div>
       <button class="btn btn-light" onclick="location.href='https://github.com/sebhildebrandt/systeminformation'">View on Github <i class=" fab fa-github"></i></button>
     </div>
     <div class="down">
diff --git a/docs/vbox.html b/docs/vbox.html
index b6147fb..dd9df64 100644
--- a/docs/vbox.html
+++ b/docs/vbox.html
@@ -153,7 +153,7 @@
                     <td>X</td>
                     <td>X</td>
                     <td>X</td>
-                    <td>Guest OK</td>
+                    <td>Guest OS</td>
                   </tr>
                   <tr>
                     <td></td>
diff --git a/lib/virtualbox.js b/lib/virtualbox.js
index 52ea949..82eda1b 100644
--- a/lib/virtualbox.js
+++ b/lib/virtualbox.js
@@ -17,15 +17,9 @@ const os = require('os');
 const exec = require('child_process').exec;
 const util = require('./util');
 
-function vboxInfo(all, callback) {
+function vboxInfo(callback) {
 
   // fallback - if only callback is given
-  if (util.isFunction(all) && !callback) {
-    callback = all;
-    all = false;
-  }
-
-  all = all || false;
   let result = [];
   return new Promise((resolve) => {
     process.nextTick(() => {