diff --git a/pym/cl_install.py b/pym/cl_install.py
index 6e25510..7627856 100644
--- a/pym/cl_install.py
+++ b/pym/cl_install.py
@@ -289,6 +289,7 @@ class convertDictOpt:
                                       "utf8":{"options":
                                       re.compile("0|1|no|false|true|yes"),
                                       "incompatible":["uni_xlate"]}},
+                              "incompatible":[],
                               "makefs":"/usr/sbin/mkfs.vfat"},
                       "xfs":{"options":["allocsize", "attr2", "noattr2",
                                         "barrier", "dmapi", "grpid",
@@ -808,7 +809,7 @@ class cl_install(color_print):
         # check specified devices
         wrongDevices = list(set(usedDevicesOnlyDisks) - \
                         set(self.clVars.Get('os_disk_dev')))
-        wrongDevices = list(set(usedDevicesOnlySwap) - \
+        wrongDevices = wrongDevices + list(set(usedDevicesOnlySwap) - \
                         set(self.clVars.Get('os_disk_dev')+["none"]))
         if wrongDevices:
             self.printERROR(_("Incorrect device '%s'")%wrongDevices[0])