1 files changed, 8 insertions, 1 deletions
diff --git a/src/main/java/at/gv/egiz/pdfas/api/sign/pos/axis/AbsoluteAxisAlgorithm.java b/src/main/java/at/gv/egiz/pdfas/api/sign/pos/axis/AbsoluteAxisAlgorithm.java
index 234484c..3e8bc04 100644
--- a/src/main/java/at/gv/egiz/pdfas/api/sign/pos/axis/AbsoluteAxisAlgorithm.java
+++ b/src/main/java/at/gv/egiz/pdfas/api/sign/pos/axis/AbsoluteAxisAlgorithm.java
@@ -3,14 +3,21 @@
  */
 package at.gv.egiz.pdfas.api.sign.pos.axis;
 
+import java.io.Serializable;
+
 /**
  * An absolute positioned element.
  * @author wprinz
  */
-public class AbsoluteAxisAlgorithm extends AxisAlgorithm
+public class AbsoluteAxisAlgorithm extends AxisAlgorithm implements Serializable
 {
 
   /**
+    * 
+    */
+   private static final long serialVersionUID = 1L;
+   
+  /**
    * The absolute positioning value on the axis.
    */
   protected float absoluteValue = 0.0f;