diff --git a/app/src/main/java/org/linphone/compatibility/ApiTwentySixPlus.java b/app/src/main/java/org/linphone/compatibility/ApiTwentySixPlus.java
index 03aa2c732..7abf51488 100644
--- a/app/src/main/java/org/linphone/compatibility/ApiTwentySixPlus.java
+++ b/app/src/main/java/org/linphone/compatibility/ApiTwentySixPlus.java
@@ -48,7 +48,10 @@ class ApiTwentySixPlus {
                 Settings.Global.getString(
                         context.getContentResolver(), Settings.Global.DEVICE_NAME);
         if (name == null) {
-            name = BluetoothAdapter.getDefaultAdapter().getName();
+            BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
+            if (adapter != null) {
+                name = adapter.getName();
+            }
         }
         if (name == null) {
             name = Settings.Secure.getString(context.getContentResolver(), "bluetooth_name");
diff --git a/app/src/main/java/org/linphone/compatibility/Compatibility.java b/app/src/main/java/org/linphone/compatibility/Compatibility.java
index 057c6e68a..23268222d 100644
--- a/app/src/main/java/org/linphone/compatibility/Compatibility.java
+++ b/app/src/main/java/org/linphone/compatibility/Compatibility.java
@@ -51,7 +51,12 @@ public class Compatibility {
             return ApiTwentySixPlus.getDeviceName(context);
         }
 
-        String name = BluetoothAdapter.getDefaultAdapter().getName();
+        String name = null;
+        BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
+        if (adapter != null) {
+            name = adapter.getName();
+        }
+
         if (name == null) {
             name = Settings.Secure.getString(context.getContentResolver(), "bluetooth_name");
         }