diff --git a/micall/utils/make_hcv_genotype_refs.py b/micall/utils/make_hcv_genotype_refs.py
index e2705c2fd..db65c6ded 100644
--- a/micall/utils/make_hcv_genotype_refs.py
+++ b/micall/utils/make_hcv_genotype_refs.py
@@ -58,7 +58,7 @@ def convert_fasta (lines):
         if subtype in processed_subtypes:
             continue
         for region, refseq in h77.iteritems():
-            print subtype, region
+            print(subtype, region)
             aquery, aref, ascore = hyphyAlign.pair_align(hyphy, refseq, genome)
             left, right = hyphyAlign.get_boundaries(aref)
             outfile.write('>%s-%s\n%s\n' % (subtype,