diff --git a/mobile/src/main/scala/com/github/shadowsocks/ShadowsocksVpnService.scala b/mobile/src/main/scala/com/github/shadowsocks/ShadowsocksVpnService.scala
index e00458fc..82019164 100644
--- a/mobile/src/main/scala/com/github/shadowsocks/ShadowsocksVpnService.scala
+++ b/mobile/src/main/scala/com/github/shadowsocks/ShadowsocksVpnService.scala
@@ -162,7 +162,7 @@ class ShadowsocksVpnService extends VpnService with BaseService {
   }
 
   override protected def buildPluginCommandLine(): ArrayBuffer[String] =
-    super.buildPluginCommandLine() ++= Seq("-V", "-P", getFilesDir.getAbsolutePath)
+    super.buildPluginCommandLine() ++= Seq("-V")
 
   def startShadowsocksDaemon() {
     val cmd = ArrayBuffer[String](getApplicationInfo.nativeLibraryDir + "/libss-local.so",