--- a/src/net/java/otr4j/OtrException.java	Sun Nov 06 02:10:33 2011 +0100
+++ b/src/net/java/otr4j/OtrException.java	Sun Nov 06 02:17:27 2011 +0100
@@ -2,7 +2,9 @@
 
 
 public class OtrException extends Exception {
-	public OtrException(Exception e){
-		super(e);
-	}
+    private static final long serialVersionUID = 1L;
+
+    public OtrException(Exception e){
+	super(e);
+    }
 }