diff --git a/packaging/deb/debian/mackerel-agent.init b/packaging/deb/debian/mackerel-agent.init
index 2f2099df7..e06ab6d29 100644
--- a/packaging/deb/debian/mackerel-agent.init
+++ b/packaging/deb/debian/mackerel-agent.init
@@ -19,7 +19,7 @@ SCRIPTNAME=/etc/init.d/$NAME
 LOGFILE=${LOGILE:="/var/log/$NAME.log"}
 PIDFILE=${PIDFILE:="/var/run/$NAME.pid"}
 ROOT=${ROOT:="/var/lib/$NAME"}
-MACKREL_PLUGIN_WORKDIR=${MACKREL_PLUGIN_WORKDIR:="/var/tmp/$NAME"}
+MACKEREL_PLUGIN_WORKDIR=${MACKEREL_PLUGIN_WORKDIR:="/var/tmp/$NAME"}
 
 if [ "$HTTP_PROXY" != "" ]; then
     export HTTP_PROXY=$HTTP_PROXY
@@ -37,8 +37,8 @@ fi
 #
 do_start()
 {
-    mkdir -m 777 -p $MACKREL_PLUGIN_WORKDIR
-    MACKREL_PLUGIN_WORKDIR=$MACKREL_PLUGIN_WORKDIR $DAEMON ${APIBASE:+--apibase=$APIBASE} ${APIKEY:+--apikey=$APIKEY} --pidfile=$PIDFILE --root=$ROOT $OTHER_OPTS >>$LOGFILE 2>&1 &
+    mkdir -m 777 -p $MACKEREL_PLUGIN_WORKDIR
+    MACKEREL_PLUGIN_WORKDIR=$MACKEREL_PLUGIN_WORKDIR $DAEMON ${APIBASE:+--apibase=$APIBASE} ${APIKEY:+--apikey=$APIKEY} --pidfile=$PIDFILE --root=$ROOT $OTHER_OPTS >>$LOGFILE 2>&1 &
     sleep 3
     kill -0 $(cat $PIDFILE 2>/dev/null) >/dev/null 2>&1
     return $?
diff --git a/packaging/rpm/src/mackerel-agent.initd b/packaging/rpm/src/mackerel-agent.initd
index c2959031b..1e2d623c4 100644
--- a/packaging/rpm/src/mackerel-agent.initd
+++ b/packaging/rpm/src/mackerel-agent.initd
@@ -24,7 +24,7 @@ BIN=${BIN:="/usr/bin/$prog"}
 LOGFILE=${LOGILE:="/var/log/$prog.log"}
 PIDFILE=${PIDFILE:="/var/run/$prog.pid"}
 ROOT=${ROOT:="/var/lib/$prog"}
-MACKREL_PLUGIN_WORKDIR=${MACKREL_PLUGIN_WORKDIR:="/var/tmp/$prog"}
+MACKEREL_PLUGIN_WORKDIR=${MACKEREL_PLUGIN_WORKDIR:="/var/tmp/$prog"}
 
 if [ "$HTTP_PROXY" != "" ]; then
     export HTTP_PROXY=$HTTP_PROXY
@@ -42,8 +42,8 @@ start() {
     [ -x $exec ] || exit 5
 
     echo -n $"Starting $prog:"
-    mkdir -m 777 -p $MACKREL_PLUGIN_WORKDIR
-    MACKREL_PLUGIN_WORKDIR=$MACKREL_PLUGIN_WORKDIR $BIN ${APIBASE:+--apibase=$APIBASE} ${APIKEY:+--apikey=$APIKEY} --pidfile=$PIDFILE --root=$ROOT $OTHER_OPTS >>$LOGFILE 2>&1 &
+    mkdir -m 777 -p $MACKEREL_PLUGIN_WORKDIR
+    MACKEREL_PLUGIN_WORKDIR=$MACKEREL_PLUGIN_WORKDIR $BIN ${APIBASE:+--apibase=$APIBASE} ${APIKEY:+--apikey=$APIKEY} --pidfile=$PIDFILE --root=$ROOT $OTHER_OPTS >>$LOGFILE 2>&1 &
     sleep 3
     if ! kill -0 $(cat $PIDFILE 2>/dev/null) >/dev/null 2>&1; then
         failure