Fix efi dest location

install/variables/disk.py

@@ -804,7 +804,12 @@ class VariableOsLocationDest(LocationHelper,Variable):
             if type(val) == str and val:
                 return path.normpath(val)
             return val
-        value = map(normpath,value)
+        def eficonvert(val):
+            if val.lower() in ("efi","uefi"):
+                return "/boot/efi"
+            else:
+                return val
+        value = map(normpath,map(eficonvert,value))
         return map(lambda x:x or "/",value)
 
     def choice(self):