diff --git a/source/java/org/alfresco/opencmis/mapping/IsImmutableProperty.java b/source/java/org/alfresco/opencmis/mapping/IsImmutableProperty.java
index 46cbaaa3f5..7ace032b13 100644
--- a/source/java/org/alfresco/opencmis/mapping/IsImmutableProperty.java
+++ b/source/java/org/alfresco/opencmis/mapping/IsImmutableProperty.java
@@ -23,6 +23,9 @@ import java.io.Serializable;
 import org.alfresco.opencmis.CMISConnector;
 import org.alfresco.opencmis.dictionary.CMISNodeInfo;
 import org.alfresco.service.ServiceRegistry;
+import org.alfresco.service.cmr.lock.LockService;
+import org.alfresco.service.cmr.lock.LockType;
+import org.alfresco.service.cmr.repository.NodeRef;
 import org.apache.chemistry.opencmis.commons.PropertyIds;
 
 /**
@@ -32,18 +35,22 @@ import org.apache.chemistry.opencmis.commons.PropertyIds;
  */
 public class IsImmutableProperty extends AbstractProperty
 {
+    private LockService lockService;
+
     /**
      * Construct
      */
     public IsImmutableProperty(ServiceRegistry serviceRegistry, CMISConnector connector)
     {
         super(serviceRegistry, connector, PropertyIds.IS_IMMUTABLE);
+        lockService = serviceRegistry.getLockService();
     }
 
     @Override
     public Serializable getValueInternal(CMISNodeInfo nodeInfo)
     {
-        if (nodeInfo.isVersion())
+        NodeRef nodeRef = nodeInfo.getNodeRef();
+        if (nodeInfo.isVersion() || (nodeInfo.hasPWC() && !nodeInfo.isPWC()) || (lockService.getLockType(nodeRef) == LockType.READ_ONLY_LOCK))
         {
             return true;
         }