diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index dc4ea0666d7..0dafd72a54a 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,7 @@
+2001-05-26  Gabriel Dos Reis  <gdr@codesourcery.com>
+
+	* include/c_std/bits/std_cmath.h (sqrt): #undef.
+	
 2001-05-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 
 	* mknumeric_limits: Stop if gen-num-limits dies.
diff --git a/libstdc++-v3/include/c_std/bits/std_cmath.h b/libstdc++-v3/include/c_std/bits/std_cmath.h
index 3f6f23db75c..b6256d8925a 100644
--- a/libstdc++-v3/include/c_std/bits/std_cmath.h
+++ b/libstdc++-v3/include/c_std/bits/std_cmath.h
@@ -74,6 +74,7 @@
 #undef pow
 #undef sin
 #undef sinh
+#undef sqrt
 #undef tan
 #undef tanh