diff --git a/ChangeLog b/ChangeLog
index e17792d284..3ec2124d86 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -71,6 +71,11 @@ Tue Feb 25 23:03:08 2003  NAKAMURA Hiroshi  <nahi@ruby-lang.org>
 	* lib/debug.rb (DEBUGGER__::Context#debug_command): bp filename must
           be the basename of it.  [ruby-talk:65644]
 
+Mon Feb 24 17:49:35 2003  Nobuyoshi Nakada  <nobu.nokada@softhome.net>
+
+	* parse.y (yycompile): zero clear ruby_eval_tree_begin if
+	  compilation failed.
+
 Mon Feb 24 08:06:29 2003  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* string.c (str_new): need no MEMZERO().
diff --git a/parse.y b/parse.y
index 73828b083f..c1e75b3fb1 100644
--- a/parse.y
+++ b/parse.y
@@ -2548,6 +2548,7 @@ yycompile(f, line)
 	rb_gc_force_recycle((VALUE)tmp);
     }
     if (n == 0) node = ruby_eval_tree;
+    else ruby_eval_tree_begin = 0;
     return node;
 }