diff --git a/server/src/com/cloud/storage/StorageManagerImpl.java b/server/src/com/cloud/storage/StorageManagerImpl.java
index 5f7eaa1cfc4..3e30423602b 100755
--- a/server/src/com/cloud/storage/StorageManagerImpl.java
+++ b/server/src/com/cloud/storage/StorageManagerImpl.java
@@ -1697,7 +1697,8 @@ public class StorageManagerImpl implements StorageManager {
                 if ((diskOffering == null) || !DiskOfferingVO.Type.Disk.equals(diskOffering.getType())) {
                     throw new InvalidParameterValueException("Please specify a valid disk offering.");
                 }
-                size = diskOffering.getDiskSize();
+                size = (diskOffering.getDiskSize()*1024*1024);//the disk offering size is in MB, which needs to be converted into bytes
+                
             }
         } else {
             Long snapshotId = cmd.getSnapshotId();