diff --git a/fuel_agent/manager.py b/fuel_agent/manager.py
index 10cdd8b..16da523 100644
--- a/fuel_agent/manager.py
+++ b/fuel_agent/manager.py
@@ -529,10 +529,10 @@ class Manager(object):
                 # a corresponding file system will never be checked. We assume
                 # puppet or other configuration tool will care of it.
                 if fs.mount == '/':
-                    f.write('UUID=%s %s %s defaults,errors=panic 0 0\n' %
+                    f.write(u'UUID=%s %s %s defaults,errors=panic 0 0\n' %
                             (mount2uuid[fs.mount], fs.mount, fs.type))
                 else:
-                    f.write('UUID=%s %s %s defaults 0 0\n' %
+                    f.write(u'UUID=%s %s %s defaults 0 0\n' %
                             (mount2uuid[fs.mount], fs.mount, fs.type))
 
         self.umount_target(chroot)