diff --git a/server/src/com/cloud/storage/StorageManagerImpl.java b/server/src/com/cloud/storage/StorageManagerImpl.java
index 59e2502f2bc..7e9f67a9a2e 100755
--- a/server/src/com/cloud/storage/StorageManagerImpl.java
+++ b/server/src/com/cloud/storage/StorageManagerImpl.java
@@ -650,7 +650,7 @@ public class StorageManagerImpl implements StorageManager, StorageService, Manag
         final HashSet<StoragePool> avoidPools = new HashSet<StoragePool>(avoids);
 
         if (diskOffering != null && diskOffering.isCustomized()) {
-            diskOffering.setDiskSize(size);
+            diskOffering.setDiskSize(size/(1024*1024));
         }
         DiskProfile dskCh = null;
         if (volume.getVolumeType() == Type.ROOT && Storage.ImageFormat.ISO != template.getFormat()) {