diff --git a/lib/lrama/parser.rb b/lib/lrama/parser.rb
index 82bd90c3..145bc870 100644
--- a/lib/lrama/parser.rb
+++ b/lib/lrama/parser.rb
@@ -1640,7 +1640,7 @@ def _reduce_79(val, _values, result)
 module_eval(<<'.,.,', 'parser.y', 299)
   def _reduce_80(val, _values, result)
                token = val[1]
-           val[1].alias = val[2]
+           token.alias = val[2]
            result = val[0].append(token)
 
     result
diff --git a/parser.y b/parser.y
index 968af9fd..381129e8 100644
--- a/parser.y
+++ b/parser.y
@@ -298,7 +298,7 @@ rule
      | rhs symbol named_ref_opt
          {
            token = val[1]
-           val[1].alias = val[2]
+           token.alias = val[2]
            result = val[0].append(token)
          }
      | rhs "{"