Index: trunk/src/oauth/signpost/AbstractOAuthConsumer.java
===================================================================
--- trunk/src/oauth/signpost/AbstractOAuthConsumer.java	(revision 10831)
+++ trunk/src/oauth/signpost/AbstractOAuthConsumer.java	(revision 11288)
@@ -18,4 +18,5 @@
 import java.io.InputStream;
 import java.util.Random;
+import java.util.concurrent.TimeUnit;
 
 import oauth.signpost.basic.UrlStringRequestAdapter;
@@ -267,5 +268,5 @@
 
     protected String generateTimestamp() {
-        return Long.toString(System.currentTimeMillis() / 1000L);
+        return Long.toString(System.currentTimeMillis() / TimeUnit.SECONDS.toMillis(1));
     }