diff --git a/ChangeLog b/ChangeLog
index 2303185419..99297c88df 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sun May 25 17:54:36 2008  Yusuke Endoh  <mame@tsg.ne.jp>
+
+	* compile.c (iseq_compile): set local_table for
+	  ISEQ_TYPE_DEFINED_GUARD.
+
 Sun May 25 17:52:25 2008  Yusuke Endoh  <mame@tsg.ne.jp>
 
 	* compile.c (iseq_build_body): remove side effect from
diff --git a/compile.c b/compile.c
index cc068b112e..a91b48ce2f 100644
--- a/compile.c
+++ b/compile.c
@@ -268,6 +268,7 @@ iseq_compile(VALUE self, NODE *node)
 	    COMPILE_POPED(ret, "ensure", node);
 	    break;
 	  case ISEQ_TYPE_DEFINED_GUARD:
+	    iseq_set_local_table(iseq, 0);
 	    COMPILE(ret, "defined guard", node);
 	    break;
 	  default: