diff --git a/faststat/faststat.py b/faststat/faststat.py
index <HASH>..<HASH> 100644
--- a/faststat/faststat.py
+++ b/faststat/faststat.py
@@ -138,7 +138,7 @@ try:
 

     # keep buckets for intervals in size from 100ns to ~14 hours

     TIME_BUCKETS = sum( 

-        [(1*10**-x, 2*10**-x, 5*10**-x) for x in (7, 6, 5, 4, 3, 2, 1, 0, -1, -2, -3, -4)], ())

+        [(1*10**x, 2*10**x, 5*10**x) for x in range(2, 13)], ())

 

     class _BaseStats(object):

         'base class to avoid repeating code'
corrected scale on time buckets to nanoseconds