diff --git a/Sources/AnimationPlanner/Animations/Extra.swift b/Sources/AnimationPlanner/Animations/Extra.swift
index 8de72d5..4540e80 100644
--- a/Sources/AnimationPlanner/Animations/Extra.swift
+++ b/Sources/AnimationPlanner/Animations/Extra.swift
@@ -24,7 +24,7 @@ extension Extra: PerformsAnimations {
         }
         
         workItem.notify(queue: .main) { [weak workItem] in
-            let isFinished = workItem?.isCancelled != false
+            let isFinished = workItem?.isCancelled != true
             completion?(isFinished)
         }