diff --git a/branches/ucs-3.0/ucs/base/univention-updater/python/univention-repository-create b/branches/ucs-3.0/ucs/base/univention-updater/python/univention-repository-create
index 633fe78..000de7e 100755
--- a/branches/ucs-3.0/ucs/base/univention-updater/python/univention-repository-create
+++ b/branches/ucs-3.0/ucs/base/univention-updater/python/univention-repository-create
@@ -164,7 +164,10 @@ def mount( options ):
 	if options.mount:
 		print "Mounting %s ..." % options.mount_point,
 		devnull = open( os.path.devnull, 'w' )
-		ret = subprocess.call( [ 'mount', options.mount_point ], stdout = devnull, stderr = subprocess.STDOUT )
+		if options.iso:
+			ret = subprocess.call(['mount', '-o', 'loop,ro', options.iso, options.mount_point], stdout=devnull, stderr=subprocess.STDOUT)
+		else:
+			ret = subprocess.call(['mount', '-o', 'ro', options.mount_point], stdout=devnull, stderr=subprocess.STDOUT)
 		# if exit code is 0 or 32 (already mounted)
 		devnull.close()
 		if not ret or ret == 32:
@@ -220,11 +223,13 @@ if __name__ == '__main__':
 	parser.add_option( '-m', '--mount-point', action = 'store',
 					   dest = 'mount_point', default = '/cdrom',
 					   help = 'devices mount point for CD-ROM drive' )
+	parser.add_option('-i', '--iso', action='store', dest='iso',
+	                  default=None, help='define filename of an ISO image')
 
 	( options, arguments ) = parser.parse_args()
 
 	if options.silent:
-		sys.stdout = open( '/dev/null', 'w' )
+		sys.stdout = open(os.path.devnull, 'w')
 
 	try:
 		lock = univention.updater.tools.updater_lock_acquire()