diff --git a/pointpats/centrography.py b/pointpats/centrography.py
index d208877..f17b127 100644
--- a/pointpats/centrography.py
+++ b/pointpats/centrography.py
@@ -28,7 +28,7 @@
 not_clockwise = lambda x: not is_clockwise(x)
 
 MAXD = sys.float_info.max
-MIND = sys.float_info.minz
+MIND = sys.float_info.min
 
 def minimum_area_rectangle(points):
     """