diff --git a/src/Sonarr.Api.V3/EpisodeFiles/EpisodeFileResource.cs b/src/Sonarr.Api.V3/EpisodeFiles/EpisodeFileResource.cs
index e42b8c92c..4d07eb117 100644
--- a/src/Sonarr.Api.V3/EpisodeFiles/EpisodeFileResource.cs
+++ b/src/Sonarr.Api.V3/EpisodeFiles/EpisodeFileResource.cs
@@ -69,7 +69,7 @@ namespace Sonarr.Api.V3.EpisodeFiles
 
             model.Series = series;
             var customFormats = formatCalculationService?.ParseCustomFormat(model, model.Series);
-            var customFormatScore = series?.QualityProfile.Value.CalculateCustomFormatScore(customFormats) ?? 0;
+            var customFormatScore = series?.QualityProfile?.Value?.CalculateCustomFormatScore(customFormats) ?? 0;
 
             return new EpisodeFileResource
             {