diff --git a/daemon-common/cluster.py b/daemon-common/cluster.py
index d5dd9ca5..8bf0aec1 100644
--- a/daemon-common/cluster.py
+++ b/daemon-common/cluster.py
@@ -155,6 +155,9 @@ def getClusterHealth(zkhandler, node_list, vm_list, ceph_osd_list):
     elif ceph_health_status == "HEALTH_WARN":
         cluster_health -= health_delta_map["ceph_warn"]
 
+    if cluster_health < 0:
+        cluster_health = 0
+
     return cluster_health, messages
 
 
diff --git a/node-daemon/pvcnoded/objects/MonitoringInstance.py b/node-daemon/pvcnoded/objects/MonitoringInstance.py
index 4ccc620c..81b0ccd4 100644
--- a/node-daemon/pvcnoded/objects/MonitoringInstance.py
+++ b/node-daemon/pvcnoded/objects/MonitoringInstance.py
@@ -366,6 +366,9 @@ class MonitoringInstance(object):
             if result is not None:
                 total_health -= result.health_delta
 
+        if total_health < 0:
+            total_health = 0
+
         if total_health > 90:
             health_colour = self.logger.fmt_green
         elif total_health > 50: