diff --git a/plugins/Later/plugin.py b/plugins/Later/plugin.py
index b617e39a1..8bd00687b 100644
--- a/plugins/Later/plugin.py
+++ b/plugins/Later/plugin.py
@@ -79,9 +79,9 @@ class Later(callbacks.Plugin):
 
     def _timestamp(self, when):
         #format = conf.supybot.reply.format.time()
-        diff = time.time() - when
+        diff = when - time.time()
         try:
-            return _('%s ago') % utils.timeElapsed(diff, seconds=False)
+            return utils.timeElapsed(diff, seconds=False)
         except ValueError:
             return _('just now')
 
diff --git a/plugins/Later/test.py b/plugins/Later/test.py
index 0481d4dc7..980918f9d 100644
--- a/plugins/Later/test.py
+++ b/plugins/Later/test.py
@@ -78,9 +78,21 @@ class LaterTestCase(ChannelPluginTestCase):
         self.irc.feedMsg(ircmsgs.privmsg(self.channel, 'something',
                                          prefix=testPrefix))
         m = self.getMsg(' ')
-        self.failUnless(str(m).startswith('PRIVMSG foo :Sent just now: <test> stuff'))
+        self.assertEqual(str(m).strip(),
+                'PRIVMSG foo :Sent just now: <test> stuff')
         self.assertNotRegexp('later notes', 'foo')
         self.assertRegexp('later notes', 'bar')
+
+        real_time = time.time
+        def fake_time():
+            return real_time() + 62
+        time.time = fake_time
+        self.irc.feedMsg(ircmsgs.privmsg(self.channel, 'something',
+                                         prefix='bar!baz@qux'))
+        m = self.getMsg(' ')
+        self.assertEqual(str(m).strip(),
+                'PRIVMSG bar :Sent 1 minute ago: <test> more stuff')
+        time.time = real_time
         
 # vim:set shiftwidth=4 softtabstop=4 expandtab textwidth=79: