diff --git a/interp/grid/__init__.py b/interp/grid/__init__.py
index 43fee4f..20217dc 100644
--- a/interp/grid/__init__.py
+++ b/interp/grid/__init__.py
@@ -13,7 +13,7 @@ import interp.grid.simplex
 import logging
 log = logging.getLogger("interp")
 
-MAX_SEARCH_COUNT = 128
+MAX_SEARCH_COUNT = 256
 
 class grid(object):
   def __init__(self, verts = None, q = None):