diff --git a/src/log.cpp b/src/log.cpp
index 11c27cf4d7..b1c9322178 100644
--- a/src/log.cpp
+++ b/src/log.cpp
@@ -145,10 +145,18 @@ void initLog() {
   logFileAvail=false;
 
   time_t curTime=time(NULL);
+#ifdef _WIN32
+  struct tm* curDay;
+  curDay=localtime(&curTime);
+  if (curDay!=NULL) {
+    dejarteArriba=(curDay->tm_mon==3 && (curDay->tm_mday==1 || curDay->tm_mday==2));
+  }
+#else
   struct tm curDay;
   if (localtime_r(&curTime,&curDay)!=NULL) {
     dejarteArriba=(curDay.tm_mon==3 && (curDay.tm_mday==1 || curDay.tm_mday==2));
   }
+#endif
 }
 
 void _logFileThread() {