diff --git a/README.md b/README.md
index 9277bbc..23dae88 100644
--- a/README.md
+++ b/README.md
@@ -10,6 +10,8 @@ Simple system and OS information library for [node.js][nodejs-url]
 
 ## Quick Start
 
+Collection of 25+ functions to retrieve detailed hardware, system and OS information (linux and OSX only)  
+
 ### Installation
 
 ```bash
@@ -375,6 +377,7 @@ I am happy to discuss any comments and suggestions. Please feel free to contact
 
 | Version        | Date           | Comment  |
 | -------------- | -------------- | -------- |
+| 3.4.3          | 2016-09-02     | tiny bug fix fsStats, DisksIO OSX |
 | 3.4.2          | 2016-09-01     | improved default network interface |
 | 3.4.1          | 2016-08-30     | updated docs |
 | 3.4.0          | 2016-08-30     | rewritten processes current cpu usage |
diff --git a/lib/index.js b/lib/index.js
index 2e39497..9787302 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -80,6 +80,7 @@
 // --------------------------------
 //
 // version	date	comment
+// 3.4.3  2016-09-02  tiny bug fix fsStats, DisksIO OSX
 // 3.4.2  2016-09-01  improved default network interface
 // 3.4.1  2016-08-30  updated docs
 // 3.4.0  2016-08-30  rewritten current process cpu usage (linux)
@@ -1021,7 +1022,7 @@ function fsStats(callback) {
         })
       }
       if (_darwin) {
-        exec("ioreg -c IOBlockStorageDriver -k Statistics -r -w0 | sed -n '/IOBlockStorageDriver/,/Statistics/p' | grep 'Statistics' | tr -d [:alpha:] | tr -d [:punct:] | awk '{print $3, $10}'", function (error, stdout) {
+        exec("ioreg -c IOBlockStorageDriver -k Statistics -r -w0 | sed -n '/IOBlockStorageDriver/,/Statistics/p' | grep 'Statistics' | tr -cd '01234567890,\n' | awk -F',' '{print $3, $10}'", function (error, stdout) {
           if (!error) {
             let lines = stdout.toString().split('\n');
             lines.forEach(function (line) {
@@ -1121,7 +1122,7 @@ function disksIO(callback) {
         });
       }
       if (_darwin) {
-        exec("ioreg -c IOBlockStorageDriver -k Statistics -r -w0 | sed -n '/IOBlockStorageDriver/,/Statistics/p' | grep 'Statistics' | tr -d [:alpha:] | tr -d [:punct:] | awk '{print $1, $11}'", function (error, stdout) {
+        exec("ioreg -c IOBlockStorageDriver -k Statistics -r -w0 | sed -n '/IOBlockStorageDriver/,/Statistics/p' | grep 'Statistics' | tr -cd '01234567890,\n' | awk -F',' '{print $1, $11}'", function (error, stdout) {
           if (!error) {
             let lines = stdout.toString().split('\n');
             lines.forEach(function (line) {