diff --git a/CHANGES b/CHANGES
index d682f6c..d534a73 100644
--- a/CHANGES
+++ b/CHANGES
@@ -33,6 +33,9 @@ corrections:
 	Red Hat issue 1021958: fixed a bug with faulty buffer/data length
 	calculation in xio-ascii.c:_xiodump()
 
+	Red Hat issue 1021972: fixed a missing NUL termination in return string
+	of sysutils.c:sockaddr_info() for the AF_UNIX case
+
 porting:
 	Performed changes for Fedora release 19
 
diff --git a/sysutils.c b/sysutils.c
index 00fd6f1..348389b 100644
--- a/sysutils.c
+++ b/sysutils.c
@@ -1,5 +1,5 @@
 /* source: sysutils.c */
-/* Copyright Gerhard Rieger 2001-2011 */
+/* Copyright Gerhard Rieger */
 /* Published under the GNU General Public License V.2, see file COPYING */
 
 /* translate socket addresses into human readable form */
@@ -189,7 +189,7 @@ char *sockaddr_info(const struct sockaddr *sa, socklen_t salen, char *buff, size
    case 0:
    case AF_UNIX: sockaddr_unix_info(&sau->un, salen, cp+1, blen-1);
       cp[0] = '"';
-      *strchr(cp+1, '\0') = '"';
+      strncat(cp+1, "\"", 1);
       break;
 #endif
 #if WITH_IP4