diff --git a/qiita_pet/handlers/download.py b/qiita_pet/handlers/download.py
index 98f19e405..8439f764f 100644
--- a/qiita_pet/handlers/download.py
+++ b/qiita_pet/handlers/download.py
@@ -113,10 +113,10 @@ def _list_artifact_files_nginx(self, artifact):
             elif x['fp'].startswith(basedir):
                 spath = x['fp'][basedir_len:]
                 to_download.append(
-                    (spath, spath, str(x['checksum']), str(x['fp_size'])))
+                    (spath, spath, '-', str(x['fp_size'])))
             else:
                 to_download.append(
-                    (x['fp'], x['fp'], str(x['checksum']), str(x['fp_size'])))
+                    (x['fp'], x['fp'], '-', str(x['fp_size'])))
 
         for pt in artifact.prep_templates:
             qmf = pt.qiime_map_fp
@@ -404,7 +404,7 @@ def get(self):
 
             basedir_len = len(get_db_files_base_dir()) + 1
             fp = x['fp'][basedir_len:]
-            to_download.append((fp, fp, str(x['checksum']), str(x['fp_size'])))
+            to_download.append((fp, fp, '-', str(x['fp_size'])))
             self._write_nginx_file_list(to_download)
 
             zip_fn = '%s_%s.zip' % (
diff --git a/qiita_pet/test/test_download.py b/qiita_pet/test/test_download.py
index e6e03d40f..a6d0bd82c 100644
--- a/qiita_pet/test/test_download.py
+++ b/qiita_pet/test/test_download.py
@@ -146,26 +146,26 @@ def test_download_study(self):
         response = self.get('/download_study_bioms/1')
         self.assertEqual(response.code, 200)
         exp = (
-            '1579715020 1256812 /protected/processed_data/1_study_1001_closed_'
+            '- 1256812 /protected/processed_data/1_study_1001_closed_'
             'reference_otu_table.biom processed_data/1_study_1001_closed_'
             'reference_otu_table.biom\n'
             '- [0-9]* /protected/templates/1_prep_1_qiime_[0-9]*-'
             '[0-9]*.txt mapping_files/4_mapping_file.txt\n'
-            '1579715020 1256812 /protected/processed_data/'
+            '- 1256812 /protected/processed_data/'
             '1_study_1001_closed_reference_otu_table.biom processed_data/'
             '1_study_1001_closed_reference_otu_table.biom\n'
             '- [0-9]* /protected/templates/1_prep_1_qiime_[0-9]*-'
             '[0-9]*.txt mapping_files/5_mapping_file.txt\n'
-            '1579715020 1256812 /protected/processed_data/'
+            '- 1256812 /protected/processed_data/'
             '1_study_1001_closed_reference_otu_table_Silva.biom processed_data'
             '/1_study_1001_closed_reference_otu_table_Silva.biom\n'
             '- [0-9]* /protected/templates/1_prep_1_qiime_[0-9]*-'
             '[0-9]*.txt mapping_files/6_mapping_file.txt\n'
-            '1756512010 1093210 /protected/BIOM/7/biom_table.biom '
+            '- 1093210 /protected/BIOM/7/biom_table.biom '
             'BIOM/7/biom_table.biom\n'
             '- [0-9]* /protected/templates/1_prep_2_qiime_[0-9]*-'
             '[0-9]*.txt mapping_files/7_mapping_file.txt\n'
-            '[0-9]* [0-9]* /protected/BIOM/{0}/otu_table.biom '
+            '- [0-9]* /protected/BIOM/{0}/otu_table.biom '
             'BIOM/{0}/otu_table.biom\n'
             '- 1 /protected/BIOM/{0}/sortmerna_picked_otus/seqs_otus.log '
             'BIOM/{0}/sortmerna_picked_otus/seqs_otus.log\n'
@@ -237,14 +237,14 @@ def test_download_raw_data(self):
         self.assertEqual(response.code, 200)
 
         exp = (
-            '2125826711 58 /protected/raw_data/1_s_G1_L001_sequences.fastq.gz '
+            '- 58 /protected/raw_data/1_s_G1_L001_sequences.fastq.gz '
             'raw_data/1_s_G1_L001_sequences.fastq.gz\n'
-            '2125826711 58 /protected/raw_data/'
+            '- 58 /protected/raw_data/'
             '1_s_G1_L001_sequences_barcodes.fastq.gz '
             'raw_data/1_s_G1_L001_sequences_barcodes.fastq.gz\n'
             '- [0-9]* /protected/templates/1_prep_1_qiime_[0-9]*-[0-9]*.txt '
             'mapping_files/1_mapping_file.txt\n'
-            '1756512010 1093210 /protected/BIOM/7/biom_table.biom '
+            '- 1093210 /protected/BIOM/7/biom_table.biom '
             'BIOM/7/biom_table.biom\n'
             '- [0-9]* /protected/templates/1_prep_2_qiime_[0-9]*-[0-9]*.txt '
             'mapping_files/7_mapping_file.txt\n')
@@ -437,11 +437,11 @@ def test_download(self):
             '/public_download/?data=biom&study_id=1&data_type=18S')
         self.assertEqual(response.code, 200)
         exp = (
-            '[0-9]* [0-9]* /protected/processed_data/1_study_1001_closed_'
+            '- [0-9]* /protected/processed_data/1_study_1001_closed_'
             'reference_otu_table.biom processed_data/1_study_1001_closed_'
             'reference_otu_table.biom\n- [0-9]* /protected/templates/1_prep_'
             '1_qiime_[0-9]*-[0-9]*.txt mapping_files/4_mapping_file.txt\n'
-            '[0-9]* [0-9]* /protected/processed_data/1_study_1001_closed_'
+            '- [0-9]* /protected/processed_data/1_study_1001_closed_'
             'reference_otu_table.biom processed_data/1_study_1001_closed_'
             'reference_otu_table.biom\n- [0-9]* /protected/templates/1_prep_1'
             '_qiime_[0-9]*-[0-9]*.txt mapping_files/5_mapping_file.txt\n')
@@ -515,7 +515,7 @@ def test_download(self):
         response = self.get('/public_artifact_download/?artifact_id=5')
         self.assertEqual(response.code, 200)
         exp = (
-            '[0-9]* [0-9]* /protected/processed_data/'
+            '- [0-9]* /protected/processed_data/'
             '1_study_1001_closed_reference_otu_table.biom '
             'processed_data/1_study_1001_closed_reference_otu_table.biom\n'
             '- 36762 /protected/templates/1_prep_1_qiime_[0-9]*-[0-9]*.txt '
@@ -541,9 +541,9 @@ def test_download(self):
         self.assertEqual(response_file.code, 200)
 
         exp = (
-            '2125826711 58 /protected/raw_data/1_s_G1_L001_sequences.fastq.gz '
+            '- 58 /protected/raw_data/1_s_G1_L001_sequences.fastq.gz '
             'raw_data/1_s_G1_L001_sequences.fastq.gz\n'
-            '2125826711 58 /protected/raw_data/1_s_G1_L001_sequences_barcodes.'
+            '- 58 /protected/raw_data/1_s_G1_L001_sequences_barcodes.'
             'fastq.gz raw_data/1_s_G1_L001_sequences_barcodes.fastq.gz\n'
             '- 36762 /protected/templates/1_prep_1_qiime_[0-9]*-[0-9]*.txt '
             'mapping_files/1_mapping_file.txt\n'