diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 3cdc574f74e..b9c5ef3fd3a 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,7 @@
+2001-02-25  Greg Freemyer <freemyer@NorcrossGroup.com>
+
+	* libmath/mathconf.h (GET_LDOUBLE_MSW64): Fix thinko.
+
 2001-02-23  Benjamin Kosnik  <bkoz@redhat.com>
 
 	* include/bits/codecvt.h: Use __builtin_alloca.
diff --git a/libstdc++-v3/libmath/mathconf.h b/libstdc++-v3/libmath/mathconf.h
index 3f8344cd8b8..a730770a256 100644
--- a/libstdc++-v3/libmath/mathconf.h
+++ b/libstdc++-v3/libmath/mathconf.h
@@ -70,7 +70,7 @@
 typedef unsigned int U_int32_t __attribute ((mode (SI)));
 typedef int Int32_t __attribute ((mode (SI)));
 typedef unsigned int U_int64_t __attribute ((mode (DI)));
-typedef int Uint64_t __attribute ((mode (DI)));
+typedef int Int64_t __attribute ((mode (DI)));
 
 #ifdef _GLIBCPP_HAVE_NAN_H
 # include <nan.h>
@@ -260,7 +260,7 @@ typedef union
 do {								\
   ieee_quad_double_shape_type qw_u;				\
   qw_u.value = (d);						\
-  (ix0) = qw_u.parts64.msw;					\
+  (msw) = qw_u.parts64.msw;					\
 } while (0)