diff --git a/generate_sequence.py b/generate_sequence.py
index 4168f65..a735189 100755
--- a/generate_sequence.py
+++ b/generate_sequence.py
@@ -88,10 +88,10 @@ def generate_sequence(fasta_seq, gff_df, rna_dict, no_mir_chr, n_seq_per_chr, de
                             fasta_seq.append('>' + mir + '_no_alterations')
                         if seq_error == 'Seed_region':
                             fasta_seq.append('>' + mir + '_seed_alterations')
-                        if seq_error == 'Seed_region':
+                        if seq_error == 'Outside_Seed_region':
                             fasta_seq.append('>' + mir + '_xseed_alterations')
                         if seq_error == 'Both_region':
                             fasta_seq.append('>' + mir + '_both_seed_&_xseed_alterations')
                         fasta_seq.append(mir_seq_new)
 
-    return fasta_seq
\ No newline at end of file
+    return fasta_seq