diff --git a/lib/models/documents/attribute.dart b/lib/models/documents/attribute.dart
index 18822e01..09564e4e 100644
--- a/lib/models/documents/attribute.dart
+++ b/lib/models/documents/attribute.dart
@@ -151,7 +151,10 @@ class Attribute<T> {
     if (level == 2) {
       return indentL2;
     }
-    return indentL3;
+    if (level == 3) {
+      return indentL3;
+    }
+    return IndentAttribute(level: level);
   }
 
   bool get isInline => scope == AttributeScope.INLINE;