diff --git a/bin/swift-account-audit b/bin/swift-account-audit
index f0ad4e7de0..adfaf7178e 100755
--- a/bin/swift-account-audit
+++ b/bin/swift-account-audit
@@ -177,7 +177,8 @@ class Auditor(object):
                               (path, node['ip'], node['device']))
                         break
                     if node['id'] not in responses:
-                        responses[node['id']] = dict(resp.getheaders())
+                        responses[node['id']] = {
+                            h.lower(): v for h, v in resp.getheaders()}
                     results = json.loads(resp.read())
                 except Exception:
                     self.container_exceptions += 1
@@ -262,7 +263,8 @@ class Auditor(object):
                           (account, node['ip'], node['device']))
                     break
                 if node_id not in responses:
-                    responses[node_id] = [dict(resp.getheaders()), []]
+                    responses[node_id] = [
+                        {h.lower(): v for h, v in resp.getheaders()}, []]
                 responses[node_id][1].extend(results)
                 if results:
                     marker = results[-1]['name']