diff --git a/src/types/streams/streams_item.rs b/src/types/streams/streams_item.rs
index 97877e40b..b54526f6d 100644
--- a/src/types/streams/streams_item.rs
+++ b/src/types/streams/streams_item.rs
@@ -33,6 +33,10 @@ pub struct StreamItemState {
     #[serde(skip_serializing_if = "Option::is_none")]
     pub subtitle_delay: Option<i64>,
     #[serde(skip_serializing_if = "Option::is_none")]
+    pub subtitle_size: Option<u64>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub subtitle_offset: Option<u64>,
+    #[serde(skip_serializing_if = "Option::is_none")]
     pub audio_track: Option<AudioTrack>,
     /// In milliseconds
     #[serde(skip_serializing_if = "Option::is_none")]