diff --git a/sjplayer/src/sjplayer/ScheduledControllerInterface.d b/sjplayer/src/sjplayer/ScheduledControllerInterface.d
index 1572c89..6e787d7 100644
--- a/sjplayer/src/sjplayer/ScheduledControllerInterface.d
+++ b/sjplayer/src/sjplayer/ScheduledControllerInterface.d
@@ -45,6 +45,7 @@ abstract class AbstractScheduledController : ScheduledControllerInterface {
     const next_operation = &operations_[next_operation_index_];
     if (IsTimeInPeriod(time, next_operation.period)) {
       PrepareOperation(*next_operation);
+      ProcessOperation(*next_operation);
       ++next_operation_index_;
     }
   }