diff --git a/Jellyfin.Plugin.SmartNotify/Services/ItemHistoryService.cs b/Jellyfin.Plugin.SmartNotify/Services/ItemHistoryService.cs
index 1586a13..3dbd7ee 100644
--- a/Jellyfin.Plugin.SmartNotify/Services/ItemHistoryService.cs
+++ b/Jellyfin.Plugin.SmartNotify/Services/ItemHistoryService.cs
@@ -247,7 +247,7 @@ public class ItemHistoryService : IDisposable
             Name = item.Name,
             FirstSeen = DateTime.UtcNow,
             FilePath = item.Path,
-            ProviderIdsJson = JsonSerializer.Serialize(item.ProviderIds ?? new Dictionary<string, string>())
+            ProviderIdsJson = System.Text.Json.JsonSerializer.Serialize(item.ProviderIds ?? new Dictionary<string, string>())
         };
 
         if (item is Episode ep)