diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 4fa23910190..3da56c21d19 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,5 +1,8 @@
 2001-02-11  Gabriel Dos Reis  <gdr@merlin.codesourcery.com>
 
+	* include/bits/std_valarray.h: #undef _DEFINE_LOGICAL_OPERATOR,
+	not _DEFINE_VALARRAY_OPERATOR which is not existent.
+
 	* include/bits/valarray_meta.h (_RefFunClos<>_RefRunClos): Fix
 	thinko in member initialisation.
 
diff --git a/libstdc++-v3/include/bits/std_valarray.h b/libstdc++-v3/include/bits/std_valarray.h
index be8f7cc5ac1..9b45cdf1884 100644
--- a/libstdc++-v3/include/bits/std_valarray.h
+++ b/libstdc++-v3/include/bits/std_valarray.h
@@ -722,7 +722,7 @@ _DEFINE_LOGICAL_OPERATOR(>, greater)
 _DEFINE_LOGICAL_OPERATOR(<=, less_equal)
 _DEFINE_LOGICAL_OPERATOR(>=, greater_equal)
 
-#undef _DEFINE_VALARRAY_OPERATOR
+#undef _DEFINE_LOGICAL_OPERATOR
 
 } // namespace std