diff --git a/CHANGELOG.md b/CHANGELOG.md
index 37559f8..0523acd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -80,6 +80,7 @@ For major (breaking) changes - **version 4, 3 and 2** - see end of page.
| Version | Date | Comment |
| -------------- | -------------- | -------- |
+| 5.11.9 | 2022-03-20 | `diskLayout()` fixed issue smartStatus (linux) |
| 5.11.8 | 2022-03-11 | `cpu()` improved socket detection by name (windows) |
| 5.11.7 | 2022-03-10 | `cpuTemperature()` fix NaN issue (windows) |
| 5.11.6 | 2022-03-01 | typescript typings fix `diskLayout()` |
diff --git a/docs/history.html b/docs/history.html
index ebbc3e2..a65f2a9 100644
--- a/docs/history.html
+++ b/docs/history.html
@@ -57,6 +57,11 @@
+
+ | 5.11.9 |
+ 2022-03-20 |
+ diskLayout() fixed issue smartStatus (linux) |
+
| 5.11.8 |
2022-03-11 |
diff --git a/docs/index.html b/docs/index.html
index a5677de..51624c3 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -170,7 +170,7 @@
systeminformation
- New Version: 5.11.8
+ New Version: 5.11.9
diff --git a/lib/filesystem.js b/lib/filesystem.js
index 50d9b05..0609edd 100644
--- a/lib/filesystem.js
+++ b/lib/filesystem.js
@@ -1247,7 +1247,7 @@ function diskLayout(callback) {
const serialNum = smartData.serial_number;
let i = util.findObjectByKey(result, 'serialNum', serialNum);
if (i != -1) {
- result[i].smartStatus = (smartData.smart_status.passed ? 'Ok' : (smartData.smart_status.passed === false ? 'Predicted Failure' : 'unknown'));
+ result[i].smartStatus = (smartData.smart_status && smartData.smart_status.passed ? 'Ok' : (smartData.smart_status && smartData.smart_status.passed === false ? 'Predicted Failure' : 'unknown'));
if (smartData.temperature && smartData.temperature.current) {
result[i].temperature = smartData.temperature.current;
}