diff --git a/linux/meta/prometheus.yml b/linux/meta/prometheus.yml
index f044530..bea6995 100644
--- a/linux/meta/prometheus.yml
+++ b/linux/meta/prometheus.yml
@@ -42,7 +42,7 @@
         description: 'The disk inodes ({{ $labels.path }}) will be full in less than 8 hours on {{ $labels.host }}.'
       {% endraw %}
     SystemDiskInodesFull:
-      if: 'disk_inodes_used / disk_inodes_total >= 99'
+      if: 'disk_inodes_used / disk_inodes_total >= 0.99'
       {% raw %}
       labels:
         severity: critical