diff --git a/parse.y b/parse.y
index bb4160194d..f43f40697c 100644
--- a/parse.y
+++ b/parse.y
@@ -3825,7 +3825,7 @@ string_dvar	: tGVAR
 			$$ = NEW_DVAR(id, &@1);
 		    /*% %*/
 			(void)id;
-		    /*% ripper: var_ref!(number_arg!($1)) %*/
+		    /*% ripper: var_ref!($1) %*/
 		    }
 		| backref
 		;
@@ -3885,11 +3885,10 @@ user_variable	: tIDENTIFIER
 		| tNUMPARAM
 		    {
 			ID id = numparam_id(p, get_num($1));
-		    /*% ripper: number_arg!($1) %*/
 		    /*%%%*/
 			$$ = id;
 		    /*%
-			$$ = ripper_new_yylval(p, id, $$, 0);
+			$$ = ripper_new_yylval(p, id, get_value($1), 0);
 		    %*/
 		    }
 		;
diff --git a/test/ripper/test_parser_events.rb b/test/ripper/test_parser_events.rb
index fd01427af5..be46ad917d 100644
--- a/test/ripper/test_parser_events.rb
+++ b/test/ripper/test_parser_events.rb
@@ -58,7 +58,7 @@ class TestRipper::ParserEvents < Test::Unit::TestCase
     assert_equal '[assign(var_field(a),ref(a))]', parse('a=a')
     assert_equal '[ref(nil)]', parse('nil')
     assert_equal '[ref(true)]', parse('true')
-    assert_include parse('proc{@1}'), '[ref(number_arg(@1))]'
+    assert_include parse('proc{@1}'), '[ref(@1)]'
   end
 
   def test_vcall
@@ -813,12 +813,6 @@ class TestRipper::ParserEvents < Test::Unit::TestCase
     assert_equal true, thru_next
   end
 
-  def test_number_arg
-    thru_number_arg = false
-    parse('proc {@1}', :on_number_arg) {thru_number_arg = true}
-    assert_equal true, thru_number_arg
-  end
-
   def test_opassign
     thru_opassign = false
     tree = parse('a += b', :on_opassign) {thru_opassign = true}