diff --git a/tools/install.py b/tools/install.py
index 51b7911cc9e..8ff7c395fbb 100755
--- a/tools/install.py
+++ b/tools/install.py
@@ -1,7 +1,12 @@
 #!/usr/bin/env python
 
 import errno
-import json
+
+try:
+  import json
+except ImportError:
+  import simplejson as json
+
 import os
 import re
 import shutil