diff --git a/ChangeLog b/ChangeLog
index 46b8e073d8..367fd7eb73 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Wed Apr 30 16:10:18 2008  Yusuke Endoh  <mame@tsg.ne.jp>
+
+	* eval_intern.h: speficy the values of the enumeration constants
+	  explicitly.  [ruby-dev:34489]
+
 Wed Apr 30 12:32:39 2008  Tanaka Akira  <akr@fsij.org>
 
 	* process.c (check_exec_redirect_fd): prohibit duplex IO.
diff --git a/eval_intern.h b/eval_intern.h
index 8296ee0f51..c04befba58 100644
--- a/eval_intern.h
+++ b/eval_intern.h
@@ -194,8 +194,8 @@ void rb_thread_wait_other_threads(void);
 
 enum {
     RAISED_EXCEPTION = 1,
-    RAISED_STACKOVERFLOW,
-    RAISED_NOMEMORY,
+    RAISED_STACKOVERFLOW = 2,
+    RAISED_NOMEMORY = 4,
 };
 int rb_thread_set_raised(rb_thread_t *th);
 int rb_thread_reset_raised(rb_thread_t *th);