diff --git a/ovm/src/com/cloud/ovm/hypervisor/OvmDiscoverer.java b/ovm/src/com/cloud/ovm/hypervisor/OvmDiscoverer.java
index e505dfdba40..a3c6208e4f7 100755
--- a/ovm/src/com/cloud/ovm/hypervisor/OvmDiscoverer.java
+++ b/ovm/src/com/cloud/ovm/hypervisor/OvmDiscoverer.java
@@ -88,7 +88,7 @@ public class OvmDiscoverer extends DiscovererBase implements Discoverer {
             
             ClusterVO clu = _clusterDao.findById(clusterId);
 			if (clu.getGuid() == null) {
-				clu.setGuid("/root");
+				clu.setGuid(UUID.randomUUID().toString());
 				_clusterDao.update(clusterId, clu);
 			}