diff --git a/ChangeLog b/ChangeLog
index c058164fc1..cb51cef7a4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Mon Oct 28 14:57:01 2013  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* load.c (ruby_init_ext): share feature names between frame name and
+	  provided features.
+
 Mon Oct 28 14:41:27 2013  Akinori MUSHA  <knu@iDaemons.org>
 
 	* misc/ruby-electric.el: Import ruby-electric.el 2.1 from
diff --git a/load.c b/load.c
index c5dd4e7e75..327e099d5a 100644
--- a/load.c
+++ b/load.c
@@ -1013,9 +1013,11 @@ ruby_init_ext(const char *name, void (*init)(void))
 {
     char* const lock_key = load_lock(name);
     if (lock_key) {
+	VALUE feature = rb_usascii_str_new_cstr(name);
+	OBJ_FREEZE(feature);
 	rb_vm_call_cfunc(rb_vm_top_self(), init_ext_call, (VALUE)init,
-			 0, rb_str_new2(name));
-	rb_provide(name);
+			 0, feature);
+	rb_provide_feature(feature);
 	load_unlock(lock_key, 1);
     }
 }