diff --git a/hadoop/3.0.3/conf/mapred-site.xml b/hadoop/3.0.3/conf/mapred-site.xml
index deac43e..9aec834 100644
--- a/hadoop/3.0.3/conf/mapred-site.xml
+++ b/hadoop/3.0.3/conf/mapred-site.xml
@@ -21,4 +21,16 @@
         <name>mapreduce.framework.name</name>
         <value>yarn</value>
     </property>
+    <property>
+        <name>yarn.app.mapreduce.am.env</name>
+        <value>HADOOP_MAPRED_HOME=${HADOOP_COMMON_HOME}</value>
+    </property>
+    <property>
+        <name>mapreduce.map.env</name>
+        <value>HADOOP_MAPRED_HOME=${HADOOP_COMMON_HOME}</value>
+    </property>
+    <property>
+        <name>mapreduce.reduce.env</name>
+        <value>HADOOP_MAPRED_HOME=${HADOOP_COMMON_HOME}</value>
+    </property>
 </configuration>
diff --git a/hadoop/3.1.0/conf/mapred-site.xml b/hadoop/3.1.0/conf/mapred-site.xml
index deac43e..9aec834 100644
--- a/hadoop/3.1.0/conf/mapred-site.xml
+++ b/hadoop/3.1.0/conf/mapred-site.xml
@@ -21,4 +21,16 @@
         <name>mapreduce.framework.name</name>
         <value>yarn</value>
     </property>
+    <property>
+        <name>yarn.app.mapreduce.am.env</name>
+        <value>HADOOP_MAPRED_HOME=${HADOOP_COMMON_HOME}</value>
+    </property>
+    <property>
+        <name>mapreduce.map.env</name>
+        <value>HADOOP_MAPRED_HOME=${HADOOP_COMMON_HOME}</value>
+    </property>
+    <property>
+        <name>mapreduce.reduce.env</name>
+        <value>HADOOP_MAPRED_HOME=${HADOOP_COMMON_HOME}</value>
+    </property>
 </configuration>