diff --git a/utils/TSZ/sz/src/sz.c b/utils/TSZ/sz/src/sz.c
index a17c2022c9..476cc23a06 100644
--- a/utils/TSZ/sz/src/sz.c
+++ b/utils/TSZ/sz/src/sz.c
@@ -162,8 +162,23 @@ void SZ_Finalize()
 
 #ifdef WINDOWS
 #include <windows.h>
-int gettimeofday(struct timeval *tv, struct timezone *tz);
-
+int gettimeofday(struct timeval *tp, void *tzp) {
+  time_t clock;
+  struct tm tm;
+  SYSTEMTIME wtm;
+  GetLocalTime(&wtm);
+  tm.tm_year   = wtm.wYear - 1900;
+  tm.tm_mon   = wtm.wMonth - 1;
+  tm.tm_mday   = wtm.wDay;
+  tm.tm_hour   = wtm.wHour;
+  tm.tm_min   = wtm.wMinute;
+  tm.tm_sec   = wtm.wSecond;
+  tm. tm_isdst  = -1;
+  clock = mktime(&tm);
+  tp->tv_sec = clock;
+  tp->tv_usec = wtm.wMilliseconds * 1000;
+  return 0;
+}
 #else
 #include <sys/time.h>
 #endif