diff --git a/apps/k8s01/blog/slo.yaml b/apps/k8s01/blog/slo.yaml
index 3ea2baacb5319598219657c41967d6ca0cd36f91..c65a3569f48be88e7ee8b259bdd9470bba6308d4 100644
--- a/apps/k8s01/blog/slo.yaml
+++ b/apps/k8s01/blog/slo.yaml
@@ -12,7 +12,7 @@ spec:
       sli:
         events:
           errorQuery: sum(rate(nginx_ingress_controller_requests{exported_namespace="blog",ingress="blog",status=~"(5..|429)"}[{{.window}}]))
-          totalQuery: sum(rate(nginx_ingress_controller_requests{exported_namespace="blog",ingress="blog"}[{{.window}}]))
+          totalQuery: sum(rate(nginx_ingress_controller_requests{exported_namespace="blog",ingress="blog"}[{{.window}}])) > 0 OR vector(1)
       alerting:
         name: BlogHighErrorRate
         labels:
@@ -32,7 +32,7 @@ spec:
               -
               sum(rate(nginx_ingress_controller_request_duration_seconds_bucket{exported_namespace="blog",ingress="blog",le="0.25",verb!="WATCH"}[{{.window}}]))
             )
-          totalQuery: sum(rate(nginx_ingress_controller_request_duration_seconds_count{exported_namespace="blog",ingress="blog",method!="WATCH"}[{{.window}}]))
+          totalQuery: sum(rate(nginx_ingress_controller_request_duration_seconds_count{exported_namespace="blog",ingress="blog",method!="WATCH"}[{{.window}}])) > 0 OR vector(1)
       alerting:
         name: BlogLatencyAlert
         labels: