diff --git a/src/main/scala/com/github/shadowsocks/ShadowsocksVpnService.scala b/src/main/scala/com/github/shadowsocks/ShadowsocksVpnService.scala
index 0fb3e942..affae8f8 100644
--- a/src/main/scala/com/github/shadowsocks/ShadowsocksVpnService.scala
+++ b/src/main/scala/com/github/shadowsocks/ShadowsocksVpnService.scala
@@ -77,7 +77,7 @@ class ShadowsocksVpnService extends VpnService with BaseService {
 
   def startShadowsocksDaemon() {
     val cmd: String = (Path.BASE +
-      "ss-local -s \"%s\" -p \"%d\" -l \"%d\" -k \"%s\" -m \"%s\" -u -f " +
+      "ss-local -b 127.0.0.1 -s \"%s\" -p \"%d\" -l \"%d\" -k \"%s\" -m \"%s\" -u -f " +
       Path.BASE + "ss-local.pid")
       .format(config.proxy, config.remotePort, config.localPort, config.sitekey, config.encMethod)
     if (BuildConfig.DEBUG) Log.d(TAG, cmd)