diff --git a/ceph-mon/Chart.yaml b/ceph-mon/Chart.yaml
index bc2af46c5..1f080df90 100644
--- a/ceph-mon/Chart.yaml
+++ b/ceph-mon/Chart.yaml
@@ -15,6 +15,6 @@ apiVersion: v1
 appVersion: v1.0.0
 description: OpenStack-Helm Ceph Mon
 name: ceph-mon
-version: 0.1.10
+version: 0.1.11
 home: https://github.com/ceph/ceph
 ...
diff --git a/ceph-mon/templates/bin/moncheck/_reap-zombies.py.tpl b/ceph-mon/templates/bin/moncheck/_reap-zombies.py.tpl
index f33487f9c..36b00356a 100644
--- a/ceph-mon/templates/bin/moncheck/_reap-zombies.py.tpl
+++ b/ceph-mon/templates/bin/moncheck/_reap-zombies.py.tpl
@@ -4,7 +4,7 @@ import os
 import subprocess  # nosec
 import json
 
-MON_REGEX = r"^\d: ([0-9\.]*):\d+/\d* mon.([^ ]*)$"
+MON_REGEX = r"^\d: \[((v\d+:([0-9\.]*):\d+\/\d+,*)+)] mon.([^ ]*)$"
 # kubctl_command = 'kubectl get pods --namespace=${NAMESPACE} -l component=mon,application=ceph -o template --template="{ {{"}}"}}range .items{{"}}"}} \\"{{"}}"}}.metadata.name{{"}}"}}\\": \\"{{"}}"}}.status.podIP{{"}}"}}\\" ,   {{"}}"}}end{{"}}"}} }"'
 if int(os.getenv('K8S_HOST_NETWORK', 0)) > 0:
     kubectl_command = 'kubectl get pods --namespace=${NAMESPACE} -l component=mon,application=ceph -o template --template="{ {{"{{"}}range  \$i, \$v  := .items{{"}}"}} {{"{{"}} if \$i{{"}}"}} , {{"{{"}} end {{"}}"}} \\"{{"{{"}}\$v.spec.nodeName{{"}}"}}\\": \\"{{"{{"}}\$v.status.podIP{{"}}"}}\\" {{"{{"}}end{{"}}"}} }"'
@@ -15,16 +15,16 @@ monmap_command = "ceph --cluster=${CLUSTER} mon getmap > /tmp/monmap && monmapto
 
 
 def extract_mons_from_monmap():
-    monmap = subprocess.check_output(monmap_command, shell=True)  # nosec
+    monmap = subprocess.check_output(monmap_command, shell=True).decode('utf-8')  # nosec
     mons = {}
     for line in monmap.split("\n"):
         m = re.match(MON_REGEX, line)
         if m is not None:
-            mons[m.group(2)] = m.group(1)
+            mons[m.group(4)] = m.group(3)
     return mons
 
 def extract_mons_from_kubeapi():
-    kubemap = subprocess.check_output(kubectl_command, shell=True)  # nosec
+    kubemap = subprocess.check_output(kubectl_command, shell=True).decode('utf-8')  # nosec
     return json.loads(kubemap)
 
 current_mons = extract_mons_from_monmap()
diff --git a/ceph-mon/templates/bin/moncheck/_start.sh.tpl b/ceph-mon/templates/bin/moncheck/_start.sh.tpl
index 4dc4f90fd..65141d640 100644
--- a/ceph-mon/templates/bin/moncheck/_start.sh.tpl
+++ b/ceph-mon/templates/bin/moncheck/_start.sh.tpl
@@ -28,7 +28,7 @@ function check_mon_msgr2 {
 function watch_mon_health {
   while [ true ]; do
     echo "checking for zombie mons"
-    /tmp/moncheck-reap-zombies.py || true
+    python3 /tmp/moncheck-reap-zombies.py || true
     echo "checking for ceph-mon msgr v2"
     check_mon_msgr2
     echo "sleep 30 sec"
diff --git a/releasenotes/notes/ceph-mon.yaml b/releasenotes/notes/ceph-mon.yaml
index 20f7e91ab..01e0fb0e7 100644
--- a/releasenotes/notes/ceph-mon.yaml
+++ b/releasenotes/notes/ceph-mon.yaml
@@ -11,4 +11,5 @@ ceph-mon:
   - 0.1.8 Use full image ref for docker official images
   - 0.1.9 Remove unnecessary parameters for ceph-mon
   - 0.1.10 Export crash dumps when Ceph daemons crash
+  - 0.1.11 Correct mon-check executing binary and logic
 ...