diff --git a/mayan/apps/document_indexing/widgets.py b/mayan/apps/document_indexing/widgets.py
index faf4d5c916..dd2aa2e15b 100644
--- a/mayan/apps/document_indexing/widgets.py
+++ b/mayan/apps/document_indexing/widgets.py
@@ -48,7 +48,7 @@ def node_level(node):
''.join(
[
' ' * node.get_level(),
- '' if node.is_root_node() else ' ',
+ '' if node.is_root_node() else ' ',
force_text(node)
]
)