diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 9b969403f58d..4c8db926d2b4 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -3,6 +3,7 @@
 	PR libstdc++/23417
 	* include/bits/stl_list.h (_List_impl): Use member initialization
 	list for -Weffc++.
+	* include/bits/stl_tree.h (_Rb_tree_impl): Same.
 
 2005-09-12  Paolo Carlini  <pcarlini@suse.de>
 
diff --git a/libstdc++-v3/include/bits/stl_tree.h b/libstdc++-v3/include/bits/stl_tree.h
index fab8117edbe4..e5a56737978a 100644
--- a/libstdc++-v3/include/bits/stl_tree.h
+++ b/libstdc++-v3/include/bits/stl_tree.h
@@ -403,7 +403,8 @@ namespace std
 
 	  _Rb_tree_impl(const _Node_allocator& __a = _Node_allocator(),
 			const _Key_compare& __comp = _Key_compare())
-	  : _Node_allocator(__a), _M_key_compare(__comp), _M_node_count(0)
+	  : _Node_allocator(__a), _M_key_compare(__comp), _M_header(), 
+	    _M_node_count(0)
 	  {
 	    this->_M_header._M_color = _S_red;
 	    this->_M_header._M_parent = 0;