diff --git a/conf/hadoop-env.sh.template b/conf/hadoop-env.sh.template
index bba5387669..ce7ccc8909 100644
--- a/conf/hadoop-env.sh.template
+++ b/conf/hadoop-env.sh.template
@@ -15,7 +15,7 @@
 # export HADOOP_HEAPSIZE=2000
 
 # Extra Java runtime options.  Empty by default.
-# if [ "$HADOOP_OPTS" == "" ]; then export HADOOP_OPTS=-server; else FOO+=" -server"; fi
+# if [ "$HADOOP_OPTS" == "" ]; then export HADOOP_OPTS=-server; else HADOOP_OPTS+=" -server"; fi
 
 # Command specific options appended to HADOOP_OPTS when specified
 export HADOOP_NAMENODE_OPTS="-Dcom.sun.management.jmxremote $HADOOP_NAMENODE_OPTS"