diff --git a/.build_version b/.build_version
index 26aaba0..6085e94 100644
--- a/.build_version
+++ b/.build_version
@@ -1 +1 @@
-1.2.0
+1.2.1
diff --git a/lib/providers/app_state_provider.dart b/lib/providers/app_state_provider.dart
index 745b96f..e090f55 100644
--- a/lib/providers/app_state_provider.dart
+++ b/lib/providers/app_state_provider.dart
@@ -379,7 +379,7 @@ class AppStateProvider extends ChangeNotifier with WidgetsBindingObserver {
     _topRepeatersOverlay = fresh.take(3).toList();
   }
 
-  /// Update the RX overlay slot with a 5-second rolling window (best SNR wins).
+  /// Update the RX overlay slot — window matches auto-ping interval (best SNR wins).
   void _updateRxOverlaySlot(String repeaterId, double snr) {
     final entry = (repeaterId: repeaterId.toUpperCase(), snr: snr);
     if (_rxOverlayWindowTimer?.isActive ?? false) {
@@ -388,7 +388,7 @@ class AppStateProvider extends ChangeNotifier with WidgetsBindingObserver {
       }
     } else {
       _rxOverlaySlot = entry;
-      _rxOverlayWindowTimer = Timer(const Duration(seconds: 5), () {
+      _rxOverlayWindowTimer = Timer(Duration(seconds: _preferences.autoPingInterval), () {
         // Window closed — slot stays until next RX or cleared
       });
     }