diff --git a/CHANGELOG.md b/CHANGELOG.md
index 874f99e..d27b320 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -89,6 +89,7 @@ Other changes
 
 | Version        | Date           | Comment  |
 | -------------- | -------------- | -------- |
+| 3.10.2         | 2016-11-14     | bug fix fsSize on OSX |
 | 3.10.1         | 2016-11-14     | optimization fsStats, disksIO, networkStats |
 | 3.10.0         | 2016-11-12     | added blockDevices, fixed fsSize, added file system type |
 | 3.9.0          | 2016-11-11     | added MAC address to networkInterfaces, fixed currentLoad |
diff --git a/lib/filesystem.js b/lib/filesystem.js
index 49551b5..789539f 100644
--- a/lib/filesystem.js
+++ b/lib/filesystem.js
@@ -40,7 +40,8 @@ function fsSize(callback) {
         reject(error);
       }
 
-      exec("df -lkPT | grep ^/", function (error, stdout) {
+      let cmd = (_darwin ? "df -lkP | grep ^/" : "df -lkPT | grep ^/");
+      exec(cmd, function (error, stdout) {
         let data = [];
         if (!error) {
           let lines = stdout.toString().split('\n');
@@ -50,10 +51,10 @@ function fsSize(callback) {
               line = line.replace(/ +/g, " ").split(' ');
               data.push({
                 'fs': line[0],
-                'type': line[1],
-                'size': parseInt(line[2]) * 1024,
-                'used': parseInt(line[3]) * 1024,
-                'use': parseFloat((100.0 * line[3] / line[2]).toFixed(2)),
+                'type': (_linux ? line[1] : 'HFS'),
+                'size': parseInt((_linux ? line[2] : line[1])) * 1024,
+                'used': parseInt((_linux ? line[3] : line[2])) * 1024,
+                'use': parseFloat((100.0 * (_linux ? line[3] : line[2]) / (_linux ? line[2] : line[1])).toFixed(2)),
                 'mount': line[line.length - 1]
               })
             }
diff --git a/lib/index.js b/lib/index.js
index 1b27d6c..8faa714 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -81,6 +81,7 @@
 // --------------------------------
 //
 // version	date	comment
+// 3.10.2	2016-11-14	bug fix fsSize on OSX
 // 3.10.1	2016-11-14	optimization fsStats, disksIO, networkStats
 // 3.10.0	2016-11-12	added blockDevices, fixed fsSize,  added file system type
 // 3.9.0	2016-11-11	added MAC address to networkInterfaces, fixed currentLoad