diff --git a/contrib/win32/win32compat/inc/sys/time.h b/contrib/win32/win32compat/inc/sys/time.h
index 9d1b1ee1072..21088bceef4 100644
--- a/contrib/win32/win32compat/inc/sys/time.h
+++ b/contrib/win32/win32compat/inc/sys/time.h
@@ -1,8 +1,16 @@
+#pragma once
 #include <sys\utime.h>
 
 #define utimbuf _utimbuf
 #define utimes w32_utimes
 
+#define timeval w32_timeval
+struct timeval
+{
+    long long    tv_sec;
+    long         tv_usec;
+};
+
 int usleep(unsigned int);
 int gettimeofday(struct timeval *, void *);
 int nanosleep(const struct timespec *, struct timespec *);
diff --git a/contrib/win32/win32compat/misc.c b/contrib/win32/win32compat/misc.c
index fd9e29e9839..ce5c90b148f 100644
--- a/contrib/win32/win32compat/misc.c
+++ b/contrib/win32/win32compat/misc.c
@@ -207,7 +207,7 @@ gettimeofday(struct timeval *tv, void *tz)
 	us = (timehelper.ns - EPOCH_DELTA) / 10;
 
 	/* Stuff result into the timeval */
-	tv->tv_sec = (long)(us / USEC_IN_SEC);
+	tv->tv_sec = (long long)(us / USEC_IN_SEC);
 	tv->tv_usec = (long)(us % USEC_IN_SEC);
 
 	return 0;