diff --git a/decorators_test.go b/decorators_test.go
index f557d17..a057197 100644
--- a/decorators_test.go
+++ b/decorators_test.go
@@ -211,7 +211,7 @@
 func toSyncMatrix(ss []step) map[int][]chan int {
 	var column []chan int
 	for _, s := range ss {
-		if ok, ch := s.decorator.SyncWidth(); ok {
+		if ok, ch := s.decorator.Syncable(); ok {
 			column = append(column, ch)
 		}
 	}