diff --git a/lib/libwebsockets.c b/lib/libwebsockets.c
index 53e71e0f..78487612 100644
--- a/lib/libwebsockets.c
+++ b/lib/libwebsockets.c
@@ -3287,13 +3287,17 @@ void _lws_log(int filter, const char *format, ...)
 	va_list ap;
 	int n;
 	int pos = 0;
+	struct timeval tv;
 
 	if (!(log_level & filter))
 		return;
 
+	gettimeofday(&tv, NULL);
+
 	for (n = 0; n < LLL_COUNT; n++)
 		if (filter == (1 << n)) {
-			pos = sprintf(buf, "%s: ", log_level_names[n]);
+			pos = sprintf(buf, "[%ld:%04ld] %s: ", tv.tv_sec,
+					tv.tv_usec / 100, log_level_names[n]);
 			break;
 		}