diff --git a/engine/storage/image/src/org/apache/cloudstack/storage/image/store/TemplateObject.java b/engine/storage/image/src/org/apache/cloudstack/storage/image/store/TemplateObject.java
index 6fa4aabec89..c5ca5b9990a 100644
--- a/engine/storage/image/src/org/apache/cloudstack/storage/image/store/TemplateObject.java
+++ b/engine/storage/image/src/org/apache/cloudstack/storage/image/store/TemplateObject.java
@@ -190,7 +190,9 @@ public class TemplateObject implements TemplateInfo {
                     TemplateObjectTO newTemplate = (TemplateObjectTO)cpyAnswer.getNewData();
                     VMTemplateStoragePoolVO templatePoolRef = templatePoolDao.findByPoolTemplate(getDataStore().getId(), getId());
                     templatePoolRef.setDownloadPercent(100);
-                    templatePoolRef.setTemplateSize(newTemplate.getSize());
+                    if (newTemplate.getSize() != null) {
+                        templatePoolRef.setTemplateSize(newTemplate.getSize());
+                    }
                     templatePoolRef.setDownloadState(Status.DOWNLOADED);
                     templatePoolRef.setLocalDownloadPath(newTemplate.getPath());
                     templatePoolRef.setInstallPath(newTemplate.getPath());
diff --git a/plugins/hypervisors/xenserver/src/com/cloud/hypervisor/xenserver/resource/XenServerStorageProcessor.java b/plugins/hypervisors/xenserver/src/com/cloud/hypervisor/xenserver/resource/XenServerStorageProcessor.java
index f3cb41927ea..10a97a21c12 100644
--- a/plugins/hypervisors/xenserver/src/com/cloud/hypervisor/xenserver/resource/XenServerStorageProcessor.java
+++ b/plugins/hypervisors/xenserver/src/com/cloud/hypervisor/xenserver/resource/XenServerStorageProcessor.java
@@ -877,7 +877,9 @@ public class XenServerStorageProcessor implements StorageProcessor {
 
                 newVol.setUuid(uuidToReturn);
                 newVol.setPath(uuidToReturn);
-                newVol.setSize(physicalSize);
+                if (physicalSize != null) {
+                    newVol.setSize(physicalSize);
+                }
                 newVol.setFormat(ImageFormat.VHD);
 
                 return new CopyCmdAnswer(newVol);
diff --git a/plugins/hypervisors/xenserver/src/com/cloud/hypervisor/xenserver/resource/Xenserver625StorageProcessor.java b/plugins/hypervisors/xenserver/src/com/cloud/hypervisor/xenserver/resource/Xenserver625StorageProcessor.java
index 73c15fb65e0..c4f2dc916ea 100644
--- a/plugins/hypervisors/xenserver/src/com/cloud/hypervisor/xenserver/resource/Xenserver625StorageProcessor.java
+++ b/plugins/hypervisors/xenserver/src/com/cloud/hypervisor/xenserver/resource/Xenserver625StorageProcessor.java
@@ -292,7 +292,9 @@ public class Xenserver625StorageProcessor extends XenServerStorageProcessor {
 
                 newVol.setUuid(uuidToReturn);
                 newVol.setPath(uuidToReturn);
-                newVol.setSize(physicalSize);
+                if (physicalSize != null) {
+                    newVol.setSize(physicalSize);
+                }
                 newVol.setFormat(Storage.ImageFormat.VHD);
 
                 return new CopyCmdAnswer(newVol);