diff --git a/ec2/spark_ec2.py b/ec2/spark_ec2.py
index d1db535e8cfd074e947a8453a1b04b4918ea4da8..c32c4400d791244cce4030f04857dd54dd1329b6 100755
--- a/ec2/spark_ec2.py
+++ b/ec2/spark_ec2.py
@@ -398,6 +398,9 @@ def setup_cluster(conn, master_nodes, slave_nodes, opts, deploy_ssh_key):
   modules = ['spark', 'shark', 'ephemeral-hdfs', 'persistent-hdfs', 
              'mapreduce', 'spark-standalone']
 
+  if opts.hadoop_major_version == "1":
+    modules = filter(lambda x: x != "mapreduce", modules)
+
   if opts.ganglia:
     modules.append('ganglia')