diff --git a/apps/base/observability/vmagent.yaml b/apps/base/observability/vmagent.yaml
index 0a2d2b5..aa63e25 100644
--- a/apps/base/observability/vmagent.yaml
+++ b/apps/base/observability/vmagent.yaml
@@ -12,6 +12,8 @@ spec:
   selectAllByDefault: true
   extraArgs:
     loggerFormat: json
+    # nginx in front of Consul cuts blocking queries at 90s; default is 525s.
+    promscrape.consul.waitTime: 50s
   remoteWrite:
     - url: http://vminsert-main.observability.svc.cluster.local:8480/insert/0/prometheus/
   resources: