diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2989237..ad9d585 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -98,6 +98,7 @@ Other changes
 
 | Version        | Date           | Comment  |
 | -------------- | -------------- | -------- |
+| 3.30.3         | 2017-10-03     | bugfix `cpuTemperature()` - max value on windows |
 | 3.30.2         | 2017-09-26     | bugfix `networkInterfaces()` - optimized ip6 address selection |
 | 3.30.1         | 2017-09-21     | bugfix/typo `inetChecksite()` |
 | 3.30.0         | 2017-09-21     | extended `versions()` (added `yarn`, `gulp`, `grunt`, `tsc`, `git`) |
diff --git a/README.md b/README.md
index 02a0096..0d6734d 100644
--- a/README.md
+++ b/README.md
@@ -158,7 +158,7 @@ I also created a nice little command line tool called [mmon][mmon-github-url]  (
 | | min | X | X | X | min CPU speed (all cores) |
 | | max | X | X | X | max CPU speed (all cores) |
 | si.cpuTemperature(cb) | {...} | X | X* | X | CPU temperature (if supported) |
-| | main | X | X | X | main temperature |
+| | main | X | X | X | main temperature (avg) |
 | | cores | X | X | X | array of temperatures |
 | | max | X | X | X | max temperature |
 | si.mem(cb) | {...} | X | X | X | Memory information (in bytes)|
diff --git a/lib/cpu.js b/lib/cpu.js
index c4d0d9d..9026f49 100644
--- a/lib/cpu.js
+++ b/lib/cpu.js
@@ -366,11 +366,13 @@ function cpuTemperature(callback) {
             let sum = 0;
             let lines = stdout.trim().split(/\s\s+/);
             lines.forEach(function (line) {
-              if (line.match('CriticalTripPoint') && !result.max)
-                result.max = (parseInt(line.split('CriticalTripPoint=')[1]) - 2732) / 10;
-              else if (line.match('CurrentTemperature')) {
+              // if (line.match('CriticalTripPoint') && result.max === -1)
+              //   result.max = (parseInt(line.split('CriticalTripPoint=')[1]) - 2732) / 10;
+              // else 
+              if (line.match('CurrentTemperature')) {
                 let value = (parseInt(line.split('CurrentTemperature=')[1]) - 2732) / 10;
                 sum = sum + value;
+                if (value > result.max) result.max = value;
                 result.cores.push(value);
               }
             });