diff --git a/bin/reference2single_sequence.py b/bin/reference2single_sequence.py
index 467b972..de20eb8 100755
--- a/bin/reference2single_sequence.py
+++ b/bin/reference2single_sequence.py
@@ -36,7 +36,7 @@ def combine_sequences(reference_sequence):
     new_sequence = ''.join([str(record.seq) for record in records])
     new_id = '|'.join([record.id for record in records])
     if len(new_id) > 100:
-        new_id = textwrap.shorten(new_id, width=97, placeholder="...")
+        new_id = new_id[:97] + '...'
     new_record = SeqRecord(Seq(new_sequence), id = new_id, description = '')
     return(new_record)