diff --git a/fedora-docker.conf b/fedora-docker.conf
index 3fc2e36..dc2a22d 100644
--- a/fedora-docker.conf
+++ b/fedora-docker.conf
@@ -226,12 +226,7 @@ image_build = {
                 'dockerversion': "1.10.1",
                 'docker_cmd':  '[ "/usr/bin/bash" ]',
                 'docker_env': '[ "DISTTAG=f25container", "FGC=f25" ]',
-                'docker_label': {
-                    'name': 'fedora',
-                    'license': u'MIT',
-                    'vendor': 'Fedora Project',
-                    'version': '25',
-                },
+                'docker_label': '{ "name": "fedora", "license": "MIT", "vendor": "Fedora Project", "version": "25"}',
             },
         }
         ],
diff --git a/fedora.conf b/fedora.conf
index 4397ce2..ccc9c7f 100644
--- a/fedora.conf
+++ b/fedora.conf
@@ -293,12 +293,7 @@ image_build = {
                 'dockerversion': "1.10.1",
                 'docker_cmd':  '[ "/usr//bin/bash" ]',
                 'docker_env': '[ "DISTTAG=f25container", "FGC=f25" ]',
-                'docker_label': {
-                    'name': 'fedora',
-                    'license': u'MIT',
-                    'vendor': 'Fedora Project',
-                    'version': '25',
-                },
+                'docker_label': '{ "name": "fedora", "license": "MIT", "vendor": "Fedora Project", "version": "25"}',
             },
         },
         ],