diff --git a/bar.go b/bar.go
index 0428f71d..7a91814a 100644
--- a/bar.go
+++ b/bar.go
@@ -562,10 +562,9 @@ func (s *bState) wSyncTable() (table syncTable) {
 	return table
 }
 
-func (s *bState) sortDecorators(decorators []decor.Decorator) {
+func (s *bState) populateEwmaDecorators(decorators []decor.Decorator) {
 	for _, d := range decorators {
-		d := unwrap(d)
-		if d, ok := d.(decor.EwmaDecorator); ok {
+		if d, ok := unwrap(d).(decor.EwmaDecorator); ok {
 			s.ewmaDecorators = append(s.ewmaDecorators, d)
 		}
 	}
diff --git a/bar_option.go b/bar_option.go
index b39628f2..6247a334 100644
--- a/bar_option.go
+++ b/bar_option.go
@@ -24,7 +24,7 @@ func inspect(decorators []decor.Decorator) (dest []decor.Decorator) {
 func PrependDecorators(decorators ...decor.Decorator) BarOption {
 	decorators = inspect(decorators)
 	return func(s *bState) {
-		s.sortDecorators(decorators)
+		s.populateEwmaDecorators(decorators)
 		s.decorators[0] = decorators
 	}
 }
@@ -33,7 +33,7 @@ func PrependDecorators(decorators ...decor.Decorator) BarOption {
 func AppendDecorators(decorators ...decor.Decorator) BarOption {
 	decorators = inspect(decorators)
 	return func(s *bState) {
-		s.sortDecorators(decorators)
+		s.populateEwmaDecorators(decorators)
 		s.decorators[1] = decorators
 	}
 }