diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4530d622..375da261 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 3.1.2
+
+- fix nullable return on HeadsetManager
+
 ## 3.1.1
 
 - fix startup crash issue for some Android devices.
diff --git a/android/src/main/kotlin/com/github/florent37/assets_audio_player/stopwhencall/HeadsetManager.kt b/android/src/main/kotlin/com/github/florent37/assets_audio_player/stopwhencall/HeadsetManager.kt
index f44153f9..cd021ba7 100644
--- a/android/src/main/kotlin/com/github/florent37/assets_audio_player/stopwhencall/HeadsetManager.kt
+++ b/android/src/main/kotlin/com/github/florent37/assets_audio_player/stopwhencall/HeadsetManager.kt
@@ -90,7 +90,7 @@ class HeadsetManager(private val context: Context) {
     fun Context.hasPermissionBluetooth() : Boolean {
         try {
             val packageInfo = this.packageManager.getPackageInfo(packageName, PackageManager.GET_PERMISSIONS)
-            return  packageInfo.requestedPermissions.contains("android.permission.BLUETOOTH")
+            return  packageInfo.requestedPermissions?.contains("android.permission.BLUETOOTH") ?: false
         } catch (t: Throwable) {
 
         }
diff --git a/pubspec.yaml b/pubspec.yaml
index df0211da..11bf1a10 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: assets_audio_player
 description: Play music/audio stored in assets files directly from Flutter & Network, Radio, LiveStream, Local files. Compatible with Android, iOS, and macOS.
-version: 3.1.1
+version: 3.1.2
 
 #author: Florent Champigny <champigny.florent@gmail.com>
 homepage: https://github.com/florent37/Flutter-AssetsAudioPlayer