diff --git a/util/secscan/api.py b/util/secscan/api.py
index a06c346b9..c4b56e0ad 100644
--- a/util/secscan/api.py
+++ b/util/secscan/api.py
@@ -108,7 +108,9 @@ class SecurityScannerAPI(object):
     }
 
     if auth_header is not None:
-      layer_request['Authorization'] = auth_header
+      layer_request['Headers'] = {
+        'Authorization': auth_header,
+      }
 
     if image.parent.docker_image_id and image.parent.storage.uuid:
       layer_request['ParentName'] = '%s.%s' % (image.parent.docker_image_id,