diff --git a/tracker/rabit_hadoop.py b/tracker/rabit_hadoop.py
index 59866d55a..bd0abc0c4 100755
--- a/tracker/rabit_hadoop.py
+++ b/tracker/rabit_hadoop.py
@@ -21,7 +21,7 @@ if hadoop_home != None:
         hadoop_binary = hadoop_home + '/bin/hadoop'
         assert os.path.exists(hadoop_binary), "HADDOP_HOME does not contain the hadoop binary"
     if hadoop_streaming_jar == None:
-        hadoop_streaming_jar = hadoop_home + '/lib/hadoop-streaming.har'
+        hadoop_streaming_jar = hadoop_home + '/lib/hadoop-streaming.jar'
         assert os.path.exists(hadoop_streaming_jar), "HADDOP_HOME does not contain the haddop streaming jar"
 
 if hadoop_binary == None or hadoop_streaming_jar == None: