Index: load.c
===================================================================
--- a/load.c	(revision 43448)
+++ b/load.c	(revision 43449)
@@ -1013,9 +1013,11 @@
 {
     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);
     }
 }