diff --git a/bootloaderInfo.py b/bootloaderInfo.py
index 3e0af0c..2cf38a5 100644
--- a/bootloaderInfo.py
+++ b/bootloaderInfo.py
@@ -688,6 +688,9 @@ class x86BootloaderInfo(bootloaderInfo):
         if string.split(device, '/', 1)[0] in map (lambda vg: vg[0],
                                                    lvm.vglist()):
             return []
+
+        if device.startswith("mapper/"):
+            return []
     
         if device.startswith('md'):
             bootable = 0