diff --git a/kube/deploy/apps/minecraft/app/volsync.yaml b/kube/deploy/apps/minecraft/app/volsync.yaml
index 58adc95d..976145c7 100644
--- a/kube/deploy/apps/minecraft/app/volsync.yaml
+++ b/kube/deploy/apps/minecraft/app/volsync.yaml
@@ -49,7 +49,7 @@ spec:
     volumeSnapshotClassName: "block"
     storageClassName: "block"
     capacity: "20Gi"
-    accessModes: ["ReadWriteMany"]
+    accessModes: ["ReadWriteOnce"]
     moverSecurityContext:
       runAsUser: &uid ${APP_UID_MINECRAFT}
       runAsGroup: *uid