diff --git a/newlib/ChangeLog b/newlib/ChangeLog
index a1a511557..d331d3479 100644
--- a/newlib/ChangeLog
+++ b/newlib/ChangeLog
@@ -1,3 +1,7 @@
+2008-05-20  DJ Delorie  <dj@redhat.com>
+
+	* libc/sys/sysnecv850/isatty.c (_isatty): Renamed from isatty.
+	
 2008-05-14  Jeff Johnston  <jjohnstn@redhat.com>
 
 	* libc/include/sys/reent.h: Change _REENT_INIT... macros to
diff --git a/newlib/libc/sys/sysnecv850/isatty.c b/newlib/libc/sys/sysnecv850/isatty.c
index e5361559f..95d2c0e84 100644
--- a/newlib/libc/sys/sysnecv850/isatty.c
+++ b/newlib/libc/sys/sysnecv850/isatty.c
@@ -9,7 +9,7 @@ int __trap0 (int function, int p1, int p2, int p3);
 
 #define TRAP0(f, p1, p2, p3) __trap0(f, (int)(p1), (int)(p2), (int)(p3))
 
-isatty (fd)
+_isatty (fd)
      int fd;
 {
   return 1;