diff --git a/tests/python_tests/render_grid_test.py b/tests/python_tests/render_grid_test.py
index 4f604b322..9091ee386 100644
--- a/tests/python_tests/render_grid_test.py
+++ b/tests/python_tests/render_grid_test.py
@@ -6,7 +6,7 @@ from nose.tools import *
 import os, mapnik
 from utilities import Todo
 try:
-    import json3
+    import json
 except ImportError:
     import simplejson