diff --git a/ChangeLog b/ChangeLog
index c40818f298..b905ceb474 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Thu Apr  6 16:43:06 2006  Hidetoshi NAGAI  <nagai@ai.kyutech.ac.jp>
+
+	* intern.h (rb_obj_instance_exec, rb_mod_module_exec): add declaration.
+
 Thu Apr  6 11:18:37 2006  Hidetoshi NAGAI  <nagai@ai.kyutech.ac.jp>
 
 	* ext/tk/lib/tk/panedwindow.rb: lack of arguments. [ruby-core:7681]
diff --git a/intern.h b/intern.h
index 761eae57ce..77e0dc867f 100644
--- a/intern.h
+++ b/intern.h
@@ -226,7 +226,9 @@ VALUE rb_apply(VALUE, ID, VALUE);
 void rb_backtrace(void);
 ID rb_frame_this_func(void);
 VALUE rb_obj_instance_eval(int, VALUE*, VALUE);
+VALUE rb_obj_instance_exec(int, VALUE*, VALUE);
 VALUE rb_mod_module_eval(int, VALUE*, VALUE);
+VALUE rb_mod_module_exec(int, VALUE*, VALUE);
 void rb_load(VALUE, int);
 void rb_load_protect(VALUE, int, int*);
 NORETURN(void rb_jump_tag(int));