diff --git a/app/src/main/cpp/PhoneDevice.cpp b/app/src/main/cpp/PhoneDevice.cpp
index 35575ecd..03d86dc4 100644
--- a/app/src/main/cpp/PhoneDevice.cpp
+++ b/app/src/main/cpp/PhoneDevice.cpp
@@ -4425,7 +4425,7 @@ int CPhoneDevice::ExecuteCommand(const std::string& cmd)
 void CPhoneDevice::ShutdownEthernet()
 {
     XYLOG(XYLOG_SEVERITY_DEBUG, "Make Ethernet Down");
-    std::string cmd = "/system/xbin/su root ifconfig ";
+    std::string cmd = "/system/xbin/su root /system/bin/ip link set ";
     cmd += m_network->iface;
     cmd += " down";
     int resCode = ExecuteCommand(cmd);