diff --git a/internal/googlereader/handler.go b/internal/googlereader/handler.go
index df3205c0..488eaebc 100644
--- a/internal/googlereader/handler.go
+++ b/internal/googlereader/handler.go
@@ -984,7 +984,7 @@ func (h *handler) streamItemContentsHandler(w http.ResponseWriter, r *http.Reque
 	}
 	contentItems := make([]contentItem, len(entries))
 	for i, entry := range entries {
-		enclosures := make([]contentItemEnclosure, len(entry.Enclosures))
+		enclosures := make([]contentItemEnclosure, 0, len(entry.Enclosures))
 		for _, enclosure := range entry.Enclosures {
 			enclosures = append(enclosures, contentItemEnclosure{URL: enclosure.URL, Type: enclosure.MimeType})
 		}
diff --git a/internal/storage/enclosure.go b/internal/storage/enclosure.go
index 197ae577..1f3a832b 100644
--- a/internal/storage/enclosure.go
+++ b/internal/storage/enclosure.go
@@ -132,7 +132,7 @@ func (s *Storage) updateEnclosures(tx *sql.Tx, entry *model.Entry) error {
 		return nil
 	}
 
-	sqlValues := make([]string, len(entry.Enclosures))
+	sqlValues := make([]string, 0, len(entry.Enclosures))
 	for _, enclosure := range entry.Enclosures {
 		sqlValues = append(sqlValues, strings.TrimSpace(enclosure.URL))