diff --git a/app/src/main/java/com/hyperling/apps/infinitetimer/MainActivity.java b/app/src/main/java/com/hyperling/apps/infinitetimer/MainActivity.java
index d1ccf39..bfe86f7 100755
--- a/app/src/main/java/com/hyperling/apps/infinitetimer/MainActivity.java
+++ b/app/src/main/java/com/hyperling/apps/infinitetimer/MainActivity.java
@@ -704,8 +704,12 @@ public class MainActivity extends AppCompatActivity {
         syncVolume();
         
         // Register receiver to get live updates from ForegroundService while app is visible
-        // RECEIVER_NOT_EXPORTED (0x00010000) is required on Android 13+ for local broadcasts
-        registerReceiver(timerUpdateReceiver, new IntentFilter(TimerForegroundService.class.getName() + ".UPDATE"), 0x00010000);
+        IntentFilter filter = new IntentFilter(TimerForegroundService.class.getName() + ".UPDATE");
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.UPSIDE_DOWN_CAKE) {
+            registerReceiver(timerUpdateReceiver, filter, Context.RECEIVER_NOT_EXPORTED);
+        } else {
+            registerReceiver(timerUpdateReceiver, filter);
+        }
 
         if (DEBUG) Log.d(tag, "Finished");
     }