diff --git a/ChangeLog b/ChangeLog
index 4abf3a2700..66534b1121 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2009-02-06  Ulrich Drepper  <drepper@redhat.com>
+
+	[BZ #9823]
+	* stdio-common/psignal.c (psignal): Fix test for empty string.
+
 2009-02-05  Ulrich Drepper  <drepper@redhat.com>
 
 	* include/rpc/auth.h: Use libc_hidden_proto for _null_auth.
diff --git a/stdio-common/psignal.c b/stdio-common/psignal.c
index 98049a5871..c8111051b1 100644
--- a/stdio-common/psignal.c
+++ b/stdio-common/psignal.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1992, 1995, 1996, 1997, 2001, 2002, 2004, 2005
+/* Copyright (C) 1991, 1992, 1995, 1996, 1997, 2001, 2002, 2004, 2005, 2009
    Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -37,7 +37,7 @@ psignal (int sig, const char *s)
 {
   const char *colon, *desc;
 
-  if (s == NULL || s == '\0')
+  if (s == NULL || *s == '\0')
     s = colon = "";
   else
     colon = ": ";