diff --git a/Libraries/SPTarkov.Server.Core/Services/SeasonalEventService.cs b/Libraries/SPTarkov.Server.Core/Services/SeasonalEventService.cs
index 27999a1b..675e5314 100644
--- a/Libraries/SPTarkov.Server.Core/Services/SeasonalEventService.cs
+++ b/Libraries/SPTarkov.Server.Core/Services/SeasonalEventService.cs
@@ -898,7 +898,7 @@ public class SeasonalEventService(
                 continue;
             }
 
-            if (mapIdWhitelist is null || !mapIdWhitelist.Contains(locationKey))
+            if (mapIdWhitelist is not null && !mapIdWhitelist.Contains(locationKey))
             {
                 continue;
             }