diff --git a/src/prometheus_alert_rules/ssacli.yaml b/src/prometheus_alert_rules/ssacli.yaml
index 5f44c85..731aff5 100644
--- a/src/prometheus_alert_rules/ssacli.yaml
+++ b/src/prometheus_alert_rules/ssacli.yaml
@@ -27,7 +27,7 @@ groups:
           LABELS = {{ $labels }}
 
   - alert: SsaCLIControllerNotOK
-    expr: ssacli_controller_info{status != "OK", status!="NOT CONFIGURED"} == 1
+    expr: ssacli_controller_info{status!~"^(OK|NOT CONFIGURED)$"} == 1
     for: 0m
     labels:
       severity: critical
diff --git a/tests/unit/test_alert_rules/test_ssacli.yaml b/tests/unit/test_alert_rules/test_ssacli.yaml
index a54846b..ccbe7ab 100644
--- a/tests/unit/test_alert_rules/test_ssacli.yaml
+++ b/tests/unit/test_alert_rules/test_ssacli.yaml
@@ -71,6 +71,19 @@ tests:
                   LABELS = map[__name__:ssacli_controller_info instance:ubuntu-2 part:Cache Status status:DOWN]
 
 
+  - interval: 1m
+    input_series:
+      - series: 'ssacli_controller_info{instance="ubuntu-2", part="Cache Status", status="NOT CONFIGURED"}'
+        values: '1x15'
+      - series: 'ssacli_controller_info{instance="ubuntu-3", part="Cache Status", status="OK"}'
+        values: '1x15'
+    alert_rule_test:
+      - eval_time: 0m
+        alertname: SsaCLIControllerNotOK
+        # Expect no alerts when status is NOT CONFIGURED or OK
+        exp_alerts: []
+
+
   - interval: 1m
     input_series:
       - series: 'ssacli_command_success{instance="ubuntu-3"}'