diff --git a/roles/prometheus/files/node.rules.yml b/roles/prometheus/files/node.rules.yml
index 12fc35bdff66380463557b6be6bb2f7b93775a54..798174ee793700411cd6fdcc6e91e6cd92785bd0 100644
--- a/roles/prometheus/files/node.rules.yml
+++ b/roles/prometheus/files/node.rules.yml
@@ -302,7 +302,7 @@ groups:
     interval: 15s
     rules:
       - alert: ServiceDown
-        expr: avg_over_time(up[5m]) * 100 < 50
+        expr: avg_over_time(up[10m]) * 100 < 50
         annotations:
           description: The service {{ $labels.job }} instance {{ $labels.instance }} is
             not responding for more than 50% of the time for 5 minutes.