diff --git a/source/net/filebot/similarity/EpisodeMetrics.java b/source/net/filebot/similarity/EpisodeMetrics.java
index f49a8d2e..5f372cf6 100644
--- a/source/net/filebot/similarity/EpisodeMetrics.java
+++ b/source/net/filebot/similarity/EpisodeMetrics.java
@@ -208,10 +208,13 @@ public enum EpisodeMetrics implements SimilarityMetric {
 			return stream(objects).map(EpisodeMetrics::normalizeObject).toArray(String[]::new);
 		}
 
+		protected static final int MAX_FIELDS = 5;
+
 		protected Object[] fields(Object object) {
 			if (object instanceof Episode) {
 				Episode e = (Episode) object;
-				return StreamEx.of(e.getSeriesName(), e.getTitle()).append(e.getSeriesNames()).filter(Objects::nonNull).map(Normalization::removeTrailingBrackets).distinct().limit(5).toArray();
+				Object[] names = StreamEx.of(e.getSeriesName(), e.getTitle()).append(e.getSeriesNames()).filter(Objects::nonNull).map(Normalization::removeTrailingBrackets).distinct().limit(MAX_FIELDS).toArray();
+				return copyOf(names, MAX_FIELDS);
 			}
 
 			if (object instanceof File) {