diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0ad46ab0ce..ed27086c97 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+# [6.4.3+dolbyxp.1.8](https://github.com/miquido/react-native-video/compare/6.4.3+dolbyxp.1.7...miquido:react-native-video:6.4.3+dolbyxp.1.8)
+
+### Bug Fixes
+
+* **iso** Fixed synchronization and buffer issues
+
 # [6.4.3+dolbyxp.1.7](https://github.com/miquido/react-native-video/compare/6.4.3+dolbyxp.1.6...miquido:react-native-video:6.4.3+dolbyxp.1.7)
 
 ### Bug Fixes
diff --git a/ios/Video/Features/RCTVideoUtils.swift b/ios/Video/Features/RCTVideoUtils.swift
index 257bbe1015..a290ab2d2f 100644
--- a/ios/Video/Features/RCTVideoUtils.swift
+++ b/ios/Video/Features/RCTVideoUtils.swift
@@ -203,7 +203,7 @@ enum RCTVideoUtils {
             let filteredArray = streamList.filtered(using: predicate)
             let current = filteredArray.last
 
-            if let current = current as? M3U8ExtXStreamInf {
+            if let current = current as? M3U8ExtXStreamInf, let audio = current.audio {
                 let mediaList: NSMutableArray = .init()
                 for i in 0 ..< principalModel.masterPlaylist.xMediaList.audio().count {
                     let inf = principalModel.masterPlaylist.xMediaList.audio().xMedia(at: i)
@@ -212,7 +212,7 @@ enum RCTVideoUtils {
                     }
                 }
 
-                let predicate = NSPredicate(format: "SELF.groupId == %@", current.audio)
+                let predicate = NSPredicate(format: "SELF.groupId == %@", audio)
 
                 if let currentAudio = mediaList.filtered(using: predicate).last as? M3U8ExtXMedia {
                     let url: URL = currentAudio.m3u8URL()
diff --git a/package.json b/package.json
index 2fc3afaa37..bb70be2d3a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "react-native-video",
-    "version": "6.4.3+dolbyxp.1.7",
+    "version": "6.4.3+dolbyxp.1.8",
     "description": "A <Video /> element for react-native",
     "main": "lib/index",
     "source": "src/index",