diff --git a/ec2/spark_ec2.py b/ec2/spark_ec2.py
index 677c8f5452296475204eb20cad18a88b73652254..54ab024b13d42ca4d5bd7af93c9791afeac196a4 100755
--- a/ec2/spark_ec2.py
+++ b/ec2/spark_ec2.py
@@ -37,7 +37,7 @@ from boto.ec2.blockdevicemapping import BlockDeviceMapping, EBSBlockDeviceType
 from boto import ec2
 
 # A URL prefix from which to fetch AMI information
-AMI_PREFIX = "https://raw.github.com/pwendell/spark-ec2/ec2-updates/ami-list"
+AMI_PREFIX = "https://raw.github.com/mesos/spark-ec2/v2/ami-list"
 
 # Configure and parse our command-line arguments
 def parse_args():