diff --git a/dist/images/upgrade-ovs.sh b/dist/images/upgrade-ovs.sh
index 0479e8bd4cd..96e1f972bff 100755
--- a/dist/images/upgrade-ovs.sh
+++ b/dist/images/upgrade-ovs.sh
@@ -1,11 +1,11 @@
 #!/bin/bash
 
-dsChartVer=`kubectl get ds -n kube-system ovs-ovn -o jsonpath={.metadata.annotations.chart-version}`
+dsGenVer=`kubectl get ds -n kube-system ovs-ovn -o jsonpath={.metadata.generation}`
 podNames=`kubectl get pod -n kube-system | grep ovs-ovn | awk '{print $1}'`
 for pod in $podNames
 do
-  podChartVer=`kubectl get pod -n kube-system $pod -o jsonpath={.metadata.annotations.chart-version}`
-  if [ $dsChartVer == $podChartVer ]
+  podGenVer=`kubectl get pod -n kube-system $pod -o jsonpath={.metadata.labels.pod-template-generation}`
+  if [ $dsGenVer == $podGenVer ]
   then
     echo "pod $pod alreay upgraded"
     continue