diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 1560e1c84a0..27f5d11e944 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,8 @@
+2001-12-31  Paolo Carlini  <pcarlini@unitus.it>
+
+	* include/backward/algo.h:  Include <ext/algorithm>,
+	tweak using declarations.
+	
 2001-12-29  Richard Henderson  <rth@redhat.com>
 
 	* config/os/hpux/bits/os_defines.h: Don't define __glibcpp_long_bits.
diff --git a/libstdc++-v3/include/backward/algo.h b/libstdc++-v3/include/backward/algo.h
index 3f53f0554b4..84f87011dff 100644
--- a/libstdc++-v3/include/backward/algo.h
+++ b/libstdc++-v3/include/backward/algo.h
@@ -62,6 +62,7 @@
 #include "iterator.h"
 #include <bits/stl_algo.h>
 #include <bits/stl_numeric.h>
+#include <ext/algorithm>
 
 // Names from <stl_algo.h>
 using std::for_each; 
@@ -91,8 +92,6 @@ using std::reverse_copy;
 using std::rotate; 
 using std::rotate_copy; 
 using std::random_shuffle; 
-using std::random_sample; 
-using std::random_sample_n; 
 using std::partition; 
 using std::stable_partition; 
 using std::sort; 
@@ -117,8 +116,6 @@ using std::next_permutation;
 using std::prev_permutation; 
 using std::find_first_of; 
 using std::find_end; 
-using std::is_sorted; 
-using std::is_heap; 
 
 // Names from stl_heap.h
 using std::push_heap;
@@ -134,6 +131,12 @@ using std::adjacent_difference;
 using std::power; 
 using std::iota; 
 
+// Names from ext/algorithm
+using __gnu_cxx::random_sample; 
+using __gnu_cxx::random_sample_n;
+using __gnu_cxx::is_sorted; 
+using __gnu_cxx::is_heap; 
+
 #endif /* _CPP_BACKWARD_ALGO_H */
 
 // Local Variables: