diff --git a/itpp/base/timing.cpp b/itpp/base/timing.cpp
index 58178e4..6b173d0 100644
--- a/itpp/base/timing.cpp
+++ b/itpp/base/timing.cpp
@@ -52,6 +52,10 @@
 #if defined(_WIN32) && !defined(__CYGWIN__)
 #include <windows.h>
 
+#if defined(WINAPI_FAMILY) && (WINAPI_FAMILY == WINAPI_FAMILY_APP)
+#include <Winsock2.h>
+#endif
+
 int gettimeofday(struct timeval* p, void*)
 {
   union {