diff --git a/ChangeLog b/ChangeLog
index d3008bbd18..d4a339045b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,13 @@
+Mon May  5 19:58:44 2008  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* compile.c (defined_expr): protect some expression from
+	  segmentation fault.  a patch from wanabe <s.wanabe at gmail.com>
+	  in [ruby-dev:34593].
+
+Mon May  5 19:57:42 2008  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* compile.c (defined_expr): 
+
 Mon May  5 19:49:59 2008  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* struct.c (rb_struct_s_def): Struct.new(0) should not SEGV.
diff --git a/compile.c b/compile.c
index a5604fa9ae..7b077a30b4 100644
--- a/compile.c
+++ b/compile.c
@@ -2464,6 +2464,7 @@ defined_expr(rb_iseq_t *iseq, LINK_ANCHOR *ret,
 		  needstr);
 	return 1;
 
+      case NODE_SUPER:
       case NODE_ZSUPER:
 	ADD_INSN(ret, nd_line(node), putnil);
 	ADD_INSN3(ret, nd_line(node), defined, INT2FIX(DEFINED_ZSUPER), 0,
@@ -2507,7 +2508,7 @@ defined_expr(rb_iseq_t *iseq, LINK_ANCHOR *ret,
 	}
 	ADD_LABEL(ret, lend);
 
-	ADD_CATCH_ENTRY(CATCH_TYPE_ENSURE, lstart, lend, ensure, lfinish[1]);
+	ADD_CATCH_ENTRY(CATCH_TYPE_RESCUE, lstart, lend, ensure, lfinish[1]);
 	return 1;
       } /* end of default */
     }