diff --git a/plugins/hypervisors/kvm/src/com/cloud/hypervisor/kvm/resource/LibvirtVMDef.java b/plugins/hypervisors/kvm/src/com/cloud/hypervisor/kvm/resource/LibvirtVMDef.java
index 9fd058fa3eb..5aeacdafae0 100644
--- a/plugins/hypervisors/kvm/src/com/cloud/hypervisor/kvm/resource/LibvirtVMDef.java
+++ b/plugins/hypervisors/kvm/src/com/cloud/hypervisor/kvm/resource/LibvirtVMDef.java
@@ -162,6 +162,8 @@ public class LibvirtVMDef {
             }
             if (_memBalloning) {
                 resBuidler.append("<devices>\n" + "<memballoon model='virtio'/>\n" + "</devices>\n");
+            } else {
+                resBuidler.append("<devices>\n" + "<memballoon model='none'/>\n" + "</devices>\n");
             }
             if (_vcpu != -1) {
                 resBuidler.append("<vcpu>" + _vcpu + "</vcpu>\n");