diff --git a/backend/manager/modules/utils/src/main/java/org/ovirt/engine/core/utils/ovf/OvfOvirtReader.java b/backend/manager/modules/utils/src/main/java/org/ovirt/engine/core/utils/ovf/OvfOvirtReader.java
index 1ca96f60ccd..e1df7436a4c 100644
--- a/backend/manager/modules/utils/src/main/java/org/ovirt/engine/core/utils/ovf/OvfOvirtReader.java
+++ b/backend/manager/modules/utils/src/main/java/org/ovirt/engine/core/utils/ovf/OvfOvirtReader.java
@@ -260,10 +260,10 @@ public void buildDisk() {
     protected void readDisk(XmlNode node, DiskImage image) {
         super.readDisk(node, image);
 
-        if (!StringUtils.isEmpty(node.attributes.get("ovf:size").getValue())) {
+        if (node.attributes.get("ovf:size") != null && !StringUtils.isEmpty(node.attributes.get("ovf:size").getValue())) {
             image.setSize(convertGigabyteToBytes(Long.parseLong(node.attributes.get("ovf:size").getValue())));
         }
-        if (!StringUtils.isEmpty(node.attributes.get("ovf:actual_size").getValue())) {
+        if (node.attributes.get("ovf:actual_size") != null && !StringUtils.isEmpty(node.attributes.get("ovf:actual_size").getValue())) {
             image.setActualSizeInBytes(
                     convertGigabyteToBytes(Long.parseLong(node.attributes.get("ovf:actual_size").getValue())));
         }