diff --git a/geopandas/geodataframe.py b/geopandas/geodataframe.py
index 26b0323..90abab7 100644
--- a/geopandas/geodataframe.py
+++ b/geopandas/geodataframe.py
@@ -3,7 +3,7 @@ try:
 except ImportError:
     # Python 2.6
     from ordereddict import OrderedDict
-import json
+from pandas.io import json
 import os
 import sys