diff --git a/ChangeLog b/ChangeLog
index d04cafe6ca..2de211654d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+Thu Jun 30 06:37:43 2011  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* ruby.c (ruby_init_loadpath_safe): ensure RUBYLIB_PREFIX stored
+	  before RUBYLIB, even if MANGLED_PATH is enabled.  fixed #1679.
+	  MANGLED_PATH is disabled by the default and will be removed
+	  completely in the future.
+
 Thu Jun 30 06:32:21 2011  Eric Hodel  <drbrain@segment7.net>
 
 	* lib/drb/drb.rb:  Hide deprecated toplevel DRb constants.
diff --git a/ruby.c b/ruby.c
index cb27d163a5..86cb0b08a5 100644
--- a/ruby.c
+++ b/ruby.c
@@ -441,6 +441,9 @@ ruby_init_loadpath_safe(int safe_level)
     load_path = GET_VM()->load_path;
 
     if (safe_level == 0) {
+#ifdef MANGLED_PATH
+	rubylib_mangled_path("", 0);
+#endif
 	ruby_push_include(getenv("RUBYLIB"), identical_path);
     }