diff --git a/newlib/ChangeLog b/newlib/ChangeLog
index b4147c2aa..0ec30c530 100644
--- a/newlib/ChangeLog
+++ b/newlib/ChangeLog
@@ -1,3 +1,8 @@
+Tue Feb 22 14:37:00 2000  Ran Cabell <rcabell@norfolk.infi.net>
+
+	* libm/mathfp/sf_exp.c: Corrected _DOUBLE_IS_32_BITS to be
+	_DOUBLE_IS_32BITS.
+
 Mon Feb 21 11:43:50 2000  Jeff Johnston <jjohnstn@cygnus.com>
 
 	* libc/stdio/vfprintf.c (VFPRINTF): Added CHECK_INIT
diff --git a/newlib/libm/mathfp/sf_exp.c b/newlib/libm/mathfp/sf_exp.c
index 45d9c31fc..e37fac58b 100644
--- a/newlib/libm/mathfp/sf_exp.c
+++ b/newlib/libm/mathfp/sf_exp.c
@@ -82,11 +82,11 @@ _DEFUN (expf, (float),
   return (ldexpf (R, N));
 }
 
-#ifdef _DOUBLE_IS_32_BITS
+#ifdef _DOUBLE_IS_32BITS
 
 double exp (double x)
 {
   return (double) expf ((float) x);
 }
 
-#endif /* _DOUBLE_IS_32_BITS */
+#endif /* _DOUBLE_IS_32BITS */