diff --git a/api/src/com/cloud/agent/api/storage/OVFHelper.java b/api/src/com/cloud/agent/api/storage/OVFHelper.java
index 167d5d4fe4b..85d4030b215 100644
--- a/api/src/com/cloud/agent/api/storage/OVFHelper.java
+++ b/api/src/com/cloud/agent/api/storage/OVFHelper.java
@@ -113,7 +113,7 @@ public class OVFHelper {
                 String allocationUnits = disk.getAttribute("ovf:capacityAllocationUnits");
                 od._diskId = disk.getAttribute("ovf:diskId");
                 od._fileRef = disk.getAttribute("ovf:fileRef");
-                od._populatedSize = Long.parseLong(disk.getAttribute("ovf:populatedSize") == null ? "0" : disk.getAttribute("ovf:populatedSize"));
+                od._populatedSize = NumberUtils.toLong(disk.getAttribute("ovf:populatedSize"));
 
                 if ((od._capacity != 0) && (allocationUnits != null)) {