diff --git a/modules/legacy/modules/location/lib/src/features/location/presentation/widgets/location_map.dart b/modules/legacy/modules/location/lib/src/features/location/presentation/widgets/location_map.dart
index a0247850..8badc1d2 100644
--- a/modules/legacy/modules/location/lib/src/features/location/presentation/widgets/location_map.dart
+++ b/modules/legacy/modules/location/lib/src/features/location/presentation/widgets/location_map.dart
@@ -87,9 +87,12 @@ class _LocationMapState extends ConsumerState<LocationMap>
     _startMonitoring();
   }
 
+  static const _minFrequency = 60;
+
   void _startMonitoring() {
     _followTimer?.cancel();
-    final frequency = widget.selectedDevice?.settings.frequency ?? 60;
+    final raw = widget.selectedDevice?.settings.frequency ?? 60;
+    final frequency = raw < _minFrequency ? _minFrequency : raw;
     _followTimer = Timer.periodic(Duration(seconds: frequency), (_) {
       if (ref.read(selectedDeviceProvider).value?.isDisconnected ?? true) return;
       widget.onRefreshPosition();
@@ -244,7 +247,8 @@ class _LocationMapState extends ConsumerState<LocationMap>
     if (!mounted) return;
     if (success) {
       _followTimer?.cancel();
-      _followTimer = Timer.periodic(Duration(seconds: frequency), (_) {
+      final safeFrequency = frequency < _minFrequency ? _minFrequency : frequency;
+      _followTimer = Timer.periodic(Duration(seconds: safeFrequency), (_) {
         widget.onRefreshPosition();
       });
       showTopSnackbar(
@@ -642,7 +646,9 @@ class _LocationMapState extends ConsumerState<LocationMap>
               FrequencySelector(
                 currentFrequency:
                     ref.watch(selectedDeviceProvider).value?.settings.frequency ?? 60,
-                options: widget.selectedDevice!.capabilities!.location!.options,
+                options: widget.selectedDevice!.capabilities!.location!.options
+                    .where((o) => o > 0)
+                    .toList(),
                 onChanged: _updateFrequency,
               ),
             ],