diff -r 1d2b4358db4b -r 326c38d3681b main/task_sdcard.c
--- a/main/task_sdcard.c	Thu Jul 04 21:48:53 2019 +0200
+++ b/main/task_sdcard.c	Fri Jul 05 16:11:55 2019 +0200
@@ -65,7 +65,7 @@
     ESP_LOGI(tag, "%s", outstr);
 
     if (System_TimeOk && sdcard_state->card_present == true) {
-	snprintf(logfn, 64, "/sdcard/log/sys%04d%02d%02d.log", timeinfo.tm_year+1900, timeinfo.tm_mon+1, timeinfo.tm_mday);
+	snprintf(logfn, 64, "/sdcard/w/log/sys%04d%02d%02d.log", timeinfo.tm_year+1900, timeinfo.tm_mon+1, timeinfo.tm_mday);
 	snprintf(stamp, 31, "%02d-%02d %02d:%02d:%02d", timeinfo.tm_mday, timeinfo.tm_mon+1, timeinfo.tm_hour, timeinfo.tm_min, timeinfo.tm_sec);
 	fp = fopen(logfn, "a+");
 	if (fp) {