1 files changed, 3 insertions, 12 deletions
diff --git a/src/slb.c b/src/slb.c
index b8acb5c..b456626 100644
--- a/src/slb.c
+++ b/src/slb.c
@@ -277,21 +277,12 @@ slb_daemon()
 	action = ACT_WAKEUP;
 	while (action == ACT_NONE || action == ACT_WAKEUP) {
 		if (action == ACT_WAKEUP) {
-			time_t delta, start = time(NULL);
-			
+			time_t delta;
 			snmploop();
 			slb_fmtout();
-
-			delta = time(NULL) - start;
-			if (delta < wakeup_interval)
-				delta = wakeup_interval - delta;
-			else {
-				delta = wakeup_interval *
-					((delta + wakeup_interval - 1) /
-					 wakeup_interval);
-			}
+			delta = wakeup_interval - time(NULL) % wakeup_interval;
 			debug(SLB_DEBCAT_MAIN, 2,
-			      ("scheduled wake up after %lu seconds",
+			      ("scheduled wake-up after %lu seconds",
 			       (unsigned long) delta));
 			alarm(delta);
 		}