diff --git a/hbd/server/config.py b/hbd/server/config.py
index 0487b51..b99adff 100644
--- a/hbd/server/config.py
+++ b/hbd/server/config.py
@@ -108,10 +108,11 @@ THRESHOLD_DEFAULTS = {
             'zfs_monitor': {
                 'pools': {
                     '*': {
-                        'status': {0,
+                        'status': {
+                            'critical': 1,  # Alert if pool health is not ONLINE
                             'operator': '>',
                             'hysteresis': 0.0,
-                            'display': 'ZFS pool {pool_name} is {health}',
+                            'display': 'ZFS pool {pool_name} is {health}'
                         }
                     }
                 }