diff --git a/yaml/dom.nim b/yaml/dom.nim
index eed5e76..d0c5587 100644
--- a/yaml/dom.nim
+++ b/yaml/dom.nim
@@ -54,8 +54,7 @@ type
       mapStyle*: CollectionStyle
       # compiler does not like Table[YamlNode, YamlNode]
 
-  YamlDocument* = object
-    {.deprecated: "use YamlNode with serialization API instead".}
+  YamlDocument* {.deprecated: "use YamlNode with serialization API instead".} = object
     ## Represents a YAML document.
     root*: YamlNode
 
@@ -336,4 +335,4 @@ iterator mpairs*(node: var YamlNode):
   ## Iterates over all key-value pairs of a mapping. *node* must be a
   ## *yMapping*. Values can be modified.
   doAssert node.kind == yMapping
-  for key, value in node.fields.mpairs: yield (key, value)
\ No newline at end of file
+  for key, value in node.fields.mpairs: yield (key, value)