diff --git a/BTCPayServer.Rating/Providers/BackgroundFetcherRateProvider.cs b/BTCPayServer.Rating/Providers/BackgroundFetcherRateProvider.cs
index da779b195..e9b6f023f 100644
--- a/BTCPayServer.Rating/Providers/BackgroundFetcherRateProvider.cs
+++ b/BTCPayServer.Rating/Providers/BackgroundFetcherRateProvider.cs
@@ -99,7 +99,7 @@ namespace BTCPayServer.Services.Rates
             {
                 LastRequested = LastRequested
             };
-            if (_Latest is LatestFetch fetch)
+            if (_Latest is LatestFetch fetch && fetch.Latest is PairRate[])
             {
                 state.LastUpdated = fetch.Updated;
                 state.Rates = fetch.Latest