diff --git a/Worker.cs b/Worker.cs
index 1a8a8e7..fad4732 100644
--- a/Worker.cs
+++ b/Worker.cs
@@ -40,7 +40,7 @@ public class Worker : BackgroundService
                     continue;
                 if (eventLogEntry.TimeGenerated.Ticks < ticks)
                     continue;
-                if (appSettings.MessageFilters.Any(l => !eventLogEntry.Message.Contains(l)))
+                if (!appSettings.MessageFilters.Any(l => eventLogEntry.Message.Contains(l)))
                     continue;
                 results.Add(eventLogEntry);
             }