diff --git a/include/RequestManager.h b/include/RequestManager.h
index 4a87195ccb..b11fe9bf45 100644
--- a/include/RequestManager.h
+++ b/include/RequestManager.h
@@ -101,6 +101,11 @@ private:
         {
             return registered_methods.find(call) != registered_methods.end();
         }
+
+	void setDialect(xmlrpc_dialect dialect)
+	{
+	    registry.setDialect(dialect);
+	}
     };
 
     //--------------------------------------------------------------------------
diff --git a/src/oca/java/src/org/opennebula/client/Client.java b/src/oca/java/src/org/opennebula/client/Client.java
index 8dcae79efc..9a9ed6bc37 100644
--- a/src/oca/java/src/org/opennebula/client/Client.java
+++ b/src/oca/java/src/org/opennebula/client/Client.java
@@ -205,6 +205,7 @@ public class Client{
         }
 
         XmlRpcClientConfigImpl config = new XmlRpcClientConfigImpl();
+	config.setEnabledForExtensions(true);
 
         try
         {
diff --git a/src/rm/RequestManager.cc b/src/rm/RequestManager.cc
index 73d1f07fb7..59973e9d4d 100644
--- a/src/rm/RequestManager.cc
+++ b/src/rm/RequestManager.cc
@@ -662,6 +662,8 @@ void RequestManager::register_xml_methods()
     RequestManagerRegistry.addMethod("one.hostpool.info", hostpool_info);
     RequestManagerRegistry.addMethod("one.hostpool.monitoring", host_pool_monitoring);
 
+    RequestManagerRegistry.setDialect(xmlrpc_dialect_apache);
+
     /* Group related methods */
 
     xmlrpc_c::method * group_allocate_pt;