diff --git a/analytics.go b/analytics.go
index fa13434..b852579 100644
--- a/analytics.go
+++ b/analytics.go
@@ -328,7 +328,6 @@ func (c *client) loop() {
 	defer close(c.shutdown)
 
 	wg := &sync.WaitGroup{}
-	defer wg.Wait()
 
 	tick := time.NewTicker(c.Interval)
 	defer tick.Stop()
@@ -360,6 +359,7 @@ func (c *client) loop() {
 			}
 
 			c.flush(&mq, wg, ex)
+			wg.Wait()
 			c.debugf("exit")
 			return
 		}