diff --git a/packaging/tests/tas-cmis/src/main/java/org/alfresco/cmis/dsl/CmisAssertion.java b/packaging/tests/tas-cmis/src/main/java/org/alfresco/cmis/dsl/CmisAssertion.java
index a3cb6c7adc..df612d6891 100644
--- a/packaging/tests/tas-cmis/src/main/java/org/alfresco/cmis/dsl/CmisAssertion.java
+++ b/packaging/tests/tas-cmis/src/main/java/org/alfresco/cmis/dsl/CmisAssertion.java
@@ -37,6 +37,7 @@ import org.apache.chemistry.opencmis.commons.data.Ace;
 import org.apache.chemistry.opencmis.commons.data.Acl;
 import org.apache.chemistry.opencmis.commons.data.CmisExtensionElement;
 import org.apache.chemistry.opencmis.commons.enums.Action;
+import org.apache.chemistry.opencmis.commons.enums.BindingType;
 import org.apache.chemistry.opencmis.commons.enums.ChangeType;
 import org.apache.chemistry.opencmis.commons.enums.ExtensionLevel;
 import org.apache.chemistry.opencmis.commons.enums.IncludeRelationships;
@@ -314,7 +315,20 @@ public class CmisAssertion extends DSLAssertion<CmisWrapper>
     {
         Document document = cmisAPI().withCMISUtil().getCmisDocument(cmisAPI().getLastResource());
         STEP(String.format("%s Verify if document '%s' is private working copy", CmisWrapper.STEP_PREFIX, document.getName()));
+
+        // Alfresco supports BindingType.WEBSERVICES for CMIS 1.0
+        // (BindingType.ATOMPUB and BindingType.BROWSER for CMIS 1.1)
+        // and "cmis:isPrivateWorkingCopy" was introduced with CMIS 1.1.
+        //
+        // Checking if the document is a pwc through
+        // https://chemistry.apache.org/java/javadoc/org/apache/chemistry/opencmis/client/api/DocumentProperties.html#isPrivateWorkingCopy--
+        // won't work for BindingType.WEBSERVICES
+        //
+        // Thus using
+        // https://chemistry.apache.org/java/javadoc/org/apache/chemistry/opencmis/client/api/Document.html#isVersionSeriesPrivateWorkingCopy--
+        // which is supported in all CMIS versions.
         Assert.assertTrue(cmisAPI().withCMISUtil().isPrivateWorkingCopy());
+
         return cmisAPI();
     }
 
diff --git a/packaging/tests/tas-cmis/src/main/java/org/alfresco/cmis/dsl/CmisUtil.java b/packaging/tests/tas-cmis/src/main/java/org/alfresco/cmis/dsl/CmisUtil.java
index bbdb23f1e2..07f51113a7 100644
--- a/packaging/tests/tas-cmis/src/main/java/org/alfresco/cmis/dsl/CmisUtil.java
+++ b/packaging/tests/tas-cmis/src/main/java/org/alfresco/cmis/dsl/CmisUtil.java
@@ -280,10 +280,10 @@ public class CmisUtil
 
     protected boolean isPrivateWorkingCopy()
     {
-        boolean result = false;
+        boolean result;
         try
         {
-            result = getPWCDocument().isPrivateWorkingCopy();
+            result = getPWCDocument().isVersionSeriesPrivateWorkingCopy();
         }
         catch (CmisVersioningException cmisVersioningException)
         {