diff --git a/logscraper/logsender.py b/logscraper/logsender.py
index c6d72b6..8ee2dcf 100755
--- a/logscraper/logsender.py
+++ b/logscraper/logsender.py
@@ -387,7 +387,7 @@ def subunit_iter(file_name, index, es_fields):
         fields = copy.deepcopy(es_fields)
 
         fields["test_name"] = test_name
-        fields["test_duration"] = test_duration
+        fields["test_duration"] = float(test_duration)
         fields["test_status"] = parsed_subunit[test_name]["status"]
         fields["@timestamp"] = start_time.strftime('%Y-%m-%dT%H:%M:%SZ')
 
diff --git a/logscraper/tests/test_logsender.py b/logscraper/tests/test_logsender.py
index 4247398..2dbf2a1 100755
--- a/logscraper/tests/test_logsender.py
+++ b/logscraper/tests/test_logsender.py
@@ -1165,7 +1165,7 @@ class TestSubunit(base.TestCase):
                 'setUpClass (neutron_tempest_plugin.scenario.'
                 'test_dns_integration.'
                 'DNSIntegrationDomainPerProjectTests)',
-            'test_duration': '0.0',
+            'test_duration': 0.0,
             'test_status': 'skip',
             '@timestamp': '2022-09-21T08:10:06Z'
         })
@@ -1176,7 +1176,7 @@ class TestSubunit(base.TestCase):
                 'neutron_tempest_plugin.scenario.test_dns_integration.'
                 'DNSIntegrationAdminTests.'
                 'test_fip_admin_delete',
-            'test_duration': '7.103220',
+            'test_duration': 7.103220,
             'test_status': 'success',
             '@timestamp': '2022-09-21T08:10:20Z'
         })
@@ -1187,7 +1187,7 @@ class TestSubunit(base.TestCase):
                 'neutron_tempest_plugin.scenario.test_dns_integration.'
                 'DNSIntegrationExtraTests.'
                 'test_port_with_publishing_subnet',
-            'test_duration': '9.188214',
+            'test_duration': 9.188214,
             'test_status': 'success',
             '@timestamp': '2022-09-21T08:10:20Z'
         })
@@ -1198,7 +1198,7 @@ class TestSubunit(base.TestCase):
                 'neutron_tempest_plugin.scenario.test_dns_integration.'
                 'DNSIntegrationTests.'
                 'test_fip',
-            'test_duration': '6.738004',
+            'test_duration': 6.738004,
             'test_status': 'success',
             '@timestamp': '2022-09-21T08:10:23Z'
         })
@@ -1209,7 +1209,7 @@ class TestSubunit(base.TestCase):
                 'neutron_tempest_plugin.scenario.test_dns_integration.'
                 'DNSIntegrationAdminTests.'
                 'test_port_on_special_network',
-            'test_duration': '6.611149',
+            'test_duration': 6.611149,
             'test_status': 'success',
             '@timestamp': '2022-09-21T08:10:27Z'
         })
@@ -1220,7 +1220,7 @@ class TestSubunit(base.TestCase):
                 'neutron_tempest_plugin.scenario.test_dns_integration.'
                 'DNSIntegrationTests.'
                 'test_server_with_fip',
-            'test_duration': '30.278503',
+            'test_duration': 30.278503,
             'test_status': 'success',
             '@timestamp': '2022-09-21T08:10:30Z'
         })