diff --git a/argocd/manifests/grafana/alerting.yaml b/argocd/manifests/grafana/alerting.yaml
index fb5b197..c0f0496 100644
--- a/argocd/manifests/grafana/alerting.yaml
+++ b/argocd/manifests/grafana/alerting.yaml
@@ -93,7 +93,7 @@ groups:
         title: TextfileStale
         condition: C
         for: 15m
-        noDataState: OK
+        noDataState: Alerting
         execErrState: Alerting
         annotations:
           summary: >-
@@ -110,7 +110,7 @@ groups:
               to: 0
             model:
               expr: >-
-                time() - node_textfile_mtime_seconds > 3600
+                time() - node_textfile_mtime_seconds
               interval: ""
               refId: A
           - refId: B
@@ -137,7 +137,7 @@ groups:
                 - evaluator:
                     type: gt
                     params:
-                      - 0
+                      - 3600
                   operator:
                     type: and
               refId: C