diff --git a/noblogsmv/state.py b/noblogsmv/state.py
index 9cf2c90db5e7124385b505ebed5cf3ab83ed89e8..18deb27f6959ae43ee9d222e3994c267d80f0a53 100644
--- a/noblogsmv/state.py
+++ b/noblogsmv/state.py
@@ -267,7 +267,7 @@ class RingBuffer(object):
             self.ptr = 0
 
     def get_values(self):
-        return values[self.ptr:] + values[:self.ptr]
+        return self.values[self.ptr:] + self.values[:self.ptr]
 
 
 class StatsThread(threading.Thread):