diff --git a/glance-model/src/main/java/com/woorea/openstack/glance/model/Image.java b/glance-model/src/main/java/com/woorea/openstack/glance/model/Image.java
index <HASH>..<HASH> 100644
--- a/glance-model/src/main/java/com/woorea/openstack/glance/model/Image.java
+++ b/glance-model/src/main/java/com/woorea/openstack/glance/model/Image.java
@@ -24,6 +24,9 @@ public class Image implements Serializable {
 	private String containerFormat;
 	
 	private Long size;
+
+	@JsonProperty("virtual_size")
+	private Long virtualSize;
 	
 	private String checksum;
 	
@@ -142,6 +145,20 @@ public class Image implements Serializable {
 	}
 
 	/**
+	 * @return the virtual size
+	 */
+	public Long getVirtualSize() {
+		return virtualSize;
+	}
+
+	/**
+	 * @param size the virtual size to set
+	 */
+	public void setVirtualSize(Long virtualSize) {
+		this.virtualSize = virtualSize;
+	}
+
+	/**
 	 * @return the checksum
 	 */
 	public String getChecksum() {
glance: add the support for virtual_size