diff --git a/cacher.py b/cacher.py
index b0d8e6c..6c538b0 100644
--- a/cacher.py
+++ b/cacher.py
@@ -47,7 +47,10 @@ class Cache:
 
     @property
     def latest(self):
-        return self.values[0]
+        try:
+            return self.values[-1]
+        except IndexError:
+            return None
 
     def __repr__(self):
         n = len(self.times)