diff --git a/src/main/java/ru/touchin/roboswag/core/observables/collections/ObservableFilteredList.java b/src/main/java/ru/touchin/roboswag/core/observables/collections/ObservableFilteredList.java
index d429b18..6efbc80 100644
--- a/src/main/java/ru/touchin/roboswag/core/observables/collections/ObservableFilteredList.java
+++ b/src/main/java/ru/touchin/roboswag/core/observables/collections/ObservableFilteredList.java
@@ -9,6 +9,7 @@ import java.util.Collections;
 import java.util.List;
 import java.util.concurrent.Executors;
 
+import io.reactivex.Scheduler;
 import io.reactivex.disposables.Disposable;
 import io.reactivex.functions.Function;
 import io.reactivex.schedulers.Schedulers;