diff --git a/dracut-kdump.sh b/dracut-kdump.sh
index dc948d1..4aab205 100755
--- a/dracut-kdump.sh
+++ b/dracut-kdump.sh
@@ -121,9 +121,9 @@ get_host_ip()
     then
         kdumpnic=$(getarg kdumpnic=)
         [ -z "$kdumpnic" ] && echo "kdump: failed to get kdumpnic!" && return 1
-        _host=`ip addr show dev $kdumpnic|grep 'inet '`
+        _host=`ip addr show dev $kdumpnic|grep '[ ]*inet'`
         [ $? -ne 0 ] && echo "kdump: wrong kdumpnic: $kdumpnic" && return 1
-        _host="${_host##*inet }"
+        _host=`echo $_host | head -n 1 | cut -d' ' -f2`
         _host="${_host%%/*}"
         [ -z "$_host" ] && echo "kdump: wrong kdumpnic: $kdumpnic" && return 1
         HOST_IP=$_host
diff --git a/dracut-module-setup.sh b/dracut-module-setup.sh
index b4f3413..625b9ee 100755
--- a/dracut-module-setup.sh
+++ b/dracut-module-setup.sh
@@ -658,6 +658,7 @@ install() {
     inst "/bin/date" "/bin/date"
     inst "/bin/sync" "/bin/sync"
     inst "/bin/cut" "/bin/cut"
+    inst "/bin/head" "/bin/head"
     inst "/sbin/makedumpfile" "/sbin/makedumpfile"
     inst "/sbin/vmcore-dmesg" "/sbin/vmcore-dmesg"
     inst "/lib/kdump/kdump-lib.sh" "/lib/kdump-lib.sh"