diff --git a/unified/extractor/tree-sitter-swift/grammar.js b/unified/extractor/tree-sitter-swift/grammar.js
index 13248b67778..45b037428bb 100644
--- a/unified/extractor/tree-sitter-swift/grammar.js
+++ b/unified/extractor/tree-sitter-swift/grammar.js
@@ -1818,7 +1818,7 @@ module.exports = grammar({
       ),
     // The Swift compiler no longer accepts these, but some very old code still uses it.
     deprecated_operator_declaration_body: ($) =>
-      seq("{", repeat(choice($.simple_identifier, $._basic_literal)), "}"),
+      seq("{", repeat(field("entry", choice($.simple_identifier, $._basic_literal))), "}"),
     precedence_group_declaration: ($) =>
       seq(
         "precedencegroup",
diff --git a/unified/extractor/tree-sitter-swift/node-types.yml b/unified/extractor/tree-sitter-swift/node-types.yml
index cd9ae864e6b..1a101c09563 100644
--- a/unified/extractor/tree-sitter-swift/node-types.yml
+++ b/unified/extractor/tree-sitter-swift/node-types.yml
@@ -229,7 +229,7 @@ named:
     body: function_body
     modifiers?: modifiers
   deprecated_operator_declaration_body:
-    $children*: [bin_literal, boolean_literal, hex_literal, integer_literal, line_string_literal, multi_line_string_literal, oct_literal, raw_string_literal, real_literal, regex_literal, simple_identifier]
+    entry*: [bin_literal, boolean_literal, hex_literal, integer_literal, line_string_literal, multi_line_string_literal, "nil", oct_literal, raw_string_literal, real_literal, regex_literal, simple_identifier]
   diagnostic:
   dictionary_literal:
     key*: expression