diff --git a/plugin/cpp/networkplugin.cpp b/plugin/cpp/networkplugin.cpp
index 94fc82c0f847e431d6554d38f4ac2da2be952709..1b7f448c12198bf9d2c622194b873e1d12e149a6 100644
--- a/plugin/cpp/networkplugin.cpp
+++ b/plugin/cpp/networkplugin.cpp
@@ -28,6 +28,8 @@
 #else 
 #include <winsock2.h>
 #include <stdint.h>
+#include <process.h>
+#define getpid _getpid
 #endif
 
 using namespace log4cxx;