diff --git a/bar.go b/bar.go
index 9583a53..ca191cf 100644
--- a/bar.go
+++ b/bar.go
@@ -376,13 +376,13 @@
 			shutdownListeners = append(shutdownListeners, d)
 		}
 	})
+	b.hasEwmaDecorators = len(ewmaDecorators) != 0
 	select {
 	case b.operateState <- func(s *bState) {
 		s.averageDecorators = averageDecorators
 		s.ewmaDecorators = ewmaDecorators
 		s.shutdownListeners = shutdownListeners
 	}:
-		b.hasEwmaDecorators = len(ewmaDecorators) != 0
 	case <-b.done:
 	}
 }