1 files changed, 5 insertions, 0 deletions
diff --git a/erts/emulator/sys/win32/erl_win_sys.h b/erts/emulator/sys/win32/erl_win_sys.h
index d770691026..4ed0b94e2d 100644
--- a/erts/emulator/sys/win32/erl_win_sys.h
+++ b/erts/emulator/sys/win32/erl_win_sys.h
@@ -117,6 +117,11 @@ int erts_check_io_debug(void);
 #define SYS_CLK_TCK 1000
 #define SYS_CLOCK_RESOLUTION 1
 
+struct tm *sys_localtime_r(time_t *epochs, struct tm *ptm);
+
+#define localtime_r sys_localtime_r
+#define HAVE_LOCALTIME_R 1
+
 typedef struct {
     long tv_sec;
     long tv_usec;