diff --git a/ChangeLog b/ChangeLog
index dd1dcd097d..b1f208641b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 2003-04-17  Ulrich Drepper  <drepper@redhat.com>
 
+	* signal/sighold.c (sighold): Use sigaddset and not __sigaddset.
+	The signal number must be checked [PR libc/5004].
+
 	* sysdeps/unix/sysv/linux/system.c: If compiled without threads
 	don't do anything fancy.
 
diff --git a/signal/sighold.c b/signal/sighold.c
index 3221671b14..687b7fc583 100644
--- a/signal/sighold.c
+++ b/signal/sighold.c
@@ -1,5 +1,5 @@
 /* Add SIG to the calling process' signal mask.
-   Copyright (C) 1998, 2000 Free Software Foundation, Inc.
+   Copyright (C) 1998, 2000, 2003 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
 
@@ -33,7 +33,7 @@ sighold (sig)
     return -1;
 
   /* Add the specified signal.  */
-  if (__sigaddset (&set, sig) < 0)
+  if (sigaddset (&set, sig) < 0)
     return -1;
 
   /* Set the new mask.  */