diff --git a/glances/outputs/static/html/plugins/fs.html b/glances/outputs/static/html/plugins/fs.html
index 5fdea584..3878d632 100644
--- a/glances/outputs/static/html/plugins/fs.html
+++ b/glances/outputs/static/html/plugins/fs.html
@@ -6,7 +6,7 @@
{{ fs.mountPoint }} ({{ fs.name }})
- {{ fs.size - fs.free | bytes }}
+ {{ fs.used | bytes }}
{{ fs.size | bytes }}
diff --git a/glances/outputs/static/js/services/plugins/glances_fs.js b/glances/outputs/static/js/services/plugins/glances_fs.js
index 60fca864..958a9577 100644
--- a/glances/outputs/static/js/services/plugins/glances_fs.js
+++ b/glances/outputs/static/js/services/plugins/glances_fs.js
@@ -16,6 +16,7 @@ glancesApp.service('GlancesPluginFs', function() {
'mountPoint': fsData['mnt_point'],
'percent': fsData['percent'],
'size': fsData['size'],
+ 'used': fsData['used'],
'free': fsData['free']
};