diff --git a/pillar/api/nodes/__init__.py b/pillar/api/nodes/__init__.py
index 7478f11c..6bf4c2dd 100644
--- a/pillar/api/nodes/__init__.py
+++ b/pillar/api/nodes/__init__.py
@@ -13,7 +13,7 @@ from pillar.web.utils import pretty_date
 
 log = logging.getLogger(__name__)
 blueprint = Blueprint('nodes_api', __name__)
-ROLES_FOR_SHARING = ROLES_FOR_COMMENTING ={'subscriber', 'demo'}
+ROLES_FOR_SHARING = ROLES_FOR_COMMENTING = {'subscriber', 'demo'}
 
 
 @blueprint.route('/<node_id>/share', methods=['GET', 'POST'])