diff --git a/main.go b/main.go
index 2d6eb33..b8e32a5 100644
--- a/main.go
+++ b/main.go
@@ -132,7 +132,7 @@ outerLoop:
 		stats, err := doPing(conf.Host, conf.PPP, time.Second)
 		if err != nil {
 			log.Warningf("ping to %s failed: %v", conf.Host, err)
-			time.Sleep(time.Duration(conf.Interval) * time.Minute)
+			time.Sleep(time.Duration(conf.Interval) * time.Second)
 			continue
 		}