diff --git a/ChangeLog b/ChangeLog
index 042fc8c314..39ccfcc6d8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,7 +1,12 @@
+Fri Sep  6 12:11:22 2002  Minero Aoki  <aamine@loveruby.net>
+
+	* parse.y (rb_gc_mark_parser): should mark ALL global variables
+	  defined in parse.y.
+
 Fri Sep  6 11:47:37 2002  Minero Aoki  <aamine@loveruby.net>
 
-	* parse.y (rb_gc_mark_parser): should mark parse.y global
-	  variables.
+	* parse.y (rb_gc_mark_parser): should mark global variables
+	  defined in parse.y.
 
 Fri Sep  6 10:34:32 2002  Minero Aoki  <aamine@loveruby.net>
 
diff --git a/parse.y b/parse.y
index 153f669514..a093105886 100644
--- a/parse.y
+++ b/parse.y
@@ -5361,7 +5361,9 @@ rb_gc_mark_parser()
     rb_gc_mark_maybe((VALUE)yylval.node);
     rb_gc_mark((VALUE)ruby_eval_tree_begin);
     rb_gc_mark((VALUE)ruby_eval_tree);
-    rb_gc_mark((VALUE)lex_lastline);
+    rb_gc_mark(ruby_debug_lines);
+    rb_gc_mark(lex_lastline);
+    rb_gc_mark(lex_input);
     rb_gc_mark((VALUE)lex_strterm);
 }