diff --git a/customers/base/nextcloud-deployment.yml b/customers/base/nextcloud-deployment.yml
index 167abc5..79dd730 100644
--- a/customers/base/nextcloud-deployment.yml
+++ b/customers/base/nextcloud-deployment.yml
@@ -17,7 +17,7 @@ spec:
       spec:
         storageClassName: mayastor-3
         accessModes:
-          - ReadWriteMany
+          - ReadWriteOnce
         resources:
           requests:
             storage: 1Gi
diff --git a/proxysql/base/proxysql-deployment.yml b/proxysql/base/proxysql-deployment.yml
index 550b928..2efcda4 100644
--- a/proxysql/base/proxysql-deployment.yml
+++ b/proxysql/base/proxysql-deployment.yml
@@ -20,7 +20,7 @@ spec:
       spec:
         storageClassName: mayastor-3
         accessModes:
-          - ReadWriteMany
+          - ReadWriteOnce
         resources:
           requests:
             storage: 2Gi
@@ -30,7 +30,7 @@ spec:
       spec:
         storageClassName: mayastor-3
         accessModes:
-          - ReadWriteMany
+          - ReadWriteOnce
         resources:
           requests:
             storage: 2Gi