diff --git a/dist/rules/host-and-hardware/node-exporter.yml b/dist/rules/host-and-hardware/node-exporter.yml
index 7b553eb..1e14044 100644
--- a/dist/rules/host-and-hardware/node-exporter.yml
+++ b/dist/rules/host-and-hardware/node-exporter.yml
@@ -104,7 +104,7 @@ groups:
         description: "Filesystem will likely run out of inodes within the next 24 hours at current write rate\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
 
     - alert: HostUnusualDiskReadLatency
-      expr: '(rate(node_disk_read_time_seconds_total[1m]) / rate(node_disk_reads_completed_total[1m]) > 0.1 and rate(node_disk_reads_completed_total[1m]) > 0'
+      expr: '(rate(node_disk_read_time_seconds_total[1m]) / rate(node_disk_reads_completed_total[1m]) > 0.1 and rate(node_disk_reads_completed_total[1m]) > 0)'
       for: 2m
       labels:
         severity: warning