--- rrdtool-1.4.7/src/rrd_update.c	2012-01-24 11:08:48.000000000 +0100
+++ src/src/rrd_update.c	2014-04-25 15:32:38.188657752 +0200
@@ -968,7 +968,7 @@
         gettimeofday(&tmp_time, 0);
         normalize_time(&tmp_time);
         *current_time = tmp_time.tv_sec;
-        *current_time_usec = tmp_time.tv_usec;
+        *current_time_usec = 0;
     } else {
         old_locale = setlocale(LC_NUMERIC, NULL);
         setlocale(LC_NUMERIC, "C");