2 files changed, 4 insertions, 4 deletions

diff --git a/xtask/src/ast_src.rs b/xtask/src/ast_src.rs
index 47e9d0c21..e21618cbd 100644
--- a/xtask/src/ast_src.rs
+++ b/xtask/src/ast_src.rs
@@ -94,7 +94,7 @@ pub(crate) const KINDS_SRC: KindsSrc = KindsSrc {
     nodes: &[
         "SOURCE_FILE",
         "STRUCT_DEF",
-        "UNION_DEF",
+        "UNION",
         "ENUM_DEF",
         "FN",
         "RET_TYPE",
diff --git a/xtask/src/codegen/rust.ungram b/xtask/src/codegen/rust.ungram
index 28b50f021..65082f3d9 100644
--- a/xtask/src/codegen/rust.ungram
+++ b/xtask/src/codegen/rust.ungram
@@ -16,7 +16,7 @@ Item =
 | StructDef
 | TraitDef
 | TypeAlias
-| UnionDef
+| Union
 | Use
 
 Module =
@@ -98,7 +98,7 @@ FieldList =
   RecordFieldList
 | TupleFieldList
 
-UnionDef =
+Union =
   Attr* Visibility? 'union' Name GenericParamList? WhereClause?
   RecordFieldList
 
@@ -455,7 +455,7 @@ MetaItem =
 AdtDef =
   StructDef
 | EnumDef
-| UnionDef
+| Union
 
 TypeRef =
   ParenType