diff --git a/src/Init/Prelude.lean b/src/Init/Prelude.lean
index 9e4da15fd0..7142f101df 100644
--- a/src/Init/Prelude.lean
+++ b/src/Init/Prelude.lean
@@ -1673,6 +1673,7 @@ instance : Inhabited Syntax where
 /- Builtin kinds -/
 def choiceKind : SyntaxNodeKind := `choice
 def nullKind : SyntaxNodeKind := `null
+def groupKind : SyntaxNodeKind := `group
 def identKind : SyntaxNodeKind := `ident
 def strLitKind : SyntaxNodeKind := `strLit
 def charLitKind : SyntaxNodeKind := `charLit
diff --git a/src/Lean/Elab/StructInst.lean b/src/Lean/Elab/StructInst.lean
index e48995994d..d087d02b64 100644
--- a/src/Lean/Elab/StructInst.lean
+++ b/src/Lean/Elab/StructInst.lean
@@ -283,7 +283,7 @@ private def toFieldLHS (stx : Syntax) : Except String FieldLHS :=
     return FieldLHS.modifyOp stx stx[1]
   else
     -- Note that the representation of the first field is different.
-    let stx := if stx.getKind == nullKind then stx[1] else stx
+    let stx := if stx.getKind == groupKind then stx[1] else stx
     if stx.isIdent then
       return FieldLHS.fieldName stx stx.getId.eraseMacroScopes
     else match stx.isFieldIdx? with
diff --git a/src/Lean/Parser/Extra.lean b/src/Lean/Parser/Extra.lean
index 4b4fcaf925..d5aeee2098 100644
--- a/src/Lean/Parser/Extra.lean
+++ b/src/Lean/Parser/Extra.lean
@@ -49,7 +49,7 @@ attribute [runBuiltinParserAttributeHooks]
   withAntiquot (mkAntiquot "nameLit" nameLitKind) nameLitNoAntiquot
 
 @[runBuiltinParserAttributeHooks, inline] def group (p : Parser) : Parser :=
-  node nullKind p
+  node groupKind p
 
 @[runBuiltinParserAttributeHooks, inline] def many1Indent (p : Parser) : Parser :=
   withPosition $ many1 (checkColGe "irrelevant" >> p)