diff --git a/ui/src/main/java/com/theoplayer/android/ui/Player.kt b/ui/src/main/java/com/theoplayer/android/ui/Player.kt
index 6b14e26..250d135 100644
--- a/ui/src/main/java/com/theoplayer/android/ui/Player.kt
+++ b/ui/src/main/java/com/theoplayer/android/ui/Player.kt
@@ -297,6 +297,7 @@ internal class PlayerImpl(override val theoplayerView: THEOplayerView?) : Player
     override val player = theoplayerView?.player
     override val ads = theoplayerView?.player?.ads
     override var cast by mutableStateOf<Cast?>(null)
+        private set
     override var currentTime by mutableStateOf(0.0)
         private set
     override var duration by mutableStateOf(Double.NaN)