diff --git a/kubernetes/modeling/charts/modeling-genericparser/values.yaml b/kubernetes/modeling/charts/modeling-genericparser/values.yaml
index 37f4c42..467d731 100644
--- a/kubernetes/modeling/charts/modeling-genericparser/values.yaml
+++ b/kubernetes/modeling/charts/modeling-genericparser/values.yaml
@@ -76,7 +76,7 @@
   ##   GKE, AWS & OpenStack)
   ##
   # storageClass: "-"
-  accessMode: ReadWriteMany
+  accessMode: ReadWriteOnce
   size: 2Gi
   mountPath: /dockerdata-nfs
   mountSubPath: modeling/genericparser