diff --git a/db/migrations/20260309203355_ensure_default_transcodings.go b/db/migrations/20260309203355_ensure_default_transcodings.go
index ff383822..ab6d2495 100644
--- a/db/migrations/20260309203355_ensure_default_transcodings.go
+++ b/db/migrations/20260309203355_ensure_default_transcodings.go
@@ -17,9 +17,12 @@ func upEnsureDefaultTranscodings(_ context.Context, tx *sql.Tx) error {
 	// Older installations may be missing default transcodings that were added
 	// after the initial seeding (e.g., aac was added later than mp3/opus).
 	// Insert any missing defaults without touching user-customized entries.
+	// Check both target_format and name since both have UNIQUE constraints,
+	// and older entries may have a different target_format (e.g., 'oga' vs 'opus')
+	// but the same name.
 	for _, t := range consts.DefaultTranscodings {
 		var count int
-		err := tx.QueryRow("SELECT COUNT(*) FROM transcoding WHERE target_format = ?", t.TargetFormat).Scan(&count)
+		err := tx.QueryRow("SELECT COUNT(*) FROM transcoding WHERE target_format = ? OR name = ?", t.TargetFormat, t.Name).Scan(&count)
 		if err != nil {
 			return err
 		}