diff --git a/ViewModels/MainViewModel.cs b/ViewModels/MainViewModel.cs
index 6c70a47..a7796ac 100644
--- a/ViewModels/MainViewModel.cs
+++ b/ViewModels/MainViewModel.cs
@@ -501,18 +501,22 @@ public partial class MainViewModel : ViewModelBase
         if (element is Source { Type: SourceType.AlertBox } alert)
         {
             var now = DateTime.UtcNow;
-            if (now - _lastAlertResolveLog >= TimeSpan.FromSeconds(1))
+            bool hasFrame = frame != null;
+            bool wasLoggedThisState = hasFrame == _lastAlertHadFrame;
+            if (!wasLoggedThisState || now - _lastAlertResolveLog >= TimeSpan.FromSeconds(10))
             {
+                _lastAlertHadFrame = hasFrame;
                 _lastAlertResolveLog = now;
-                AppLog.Write(frame == null
-                    ? $"Output resolver: alert box '{alert.Id}' frame is null (visible={alert.IsVisible} playing={_alertLayer.IsPlaying}) — skipped in composite"
-                    : $"Output resolver: alert box '{alert.Id}' frame {frame!.Width}x{frame!.Height} (visible={alert.IsVisible} playing={_alertLayer.IsPlaying})");
+                AppLog.Write(hasFrame
+                    ? $"Output resolver: alert box '{alert.Id}' frame {frame!.Width}x{frame!.Height} (visible={alert.IsVisible} playing={_alertLayer.IsPlaying})"
+                    : $"Output resolver: alert box '{alert.Id}' frame is null (visible={alert.IsVisible} playing={_alertLayer.IsPlaying}) — skipped in composite");
             }
         }
         return frame;
     }
 
     private DateTime _lastAlertResolveLog = DateTime.MinValue;
+    private bool _lastAlertHadFrame = false;
 
     private DateTime _lastWebcamNullLog = DateTime.MinValue;