diff --git a/src/calibre/devices/apple/driver.py b/src/calibre/devices/apple/driver.py
index 929c7b9ba0..fffe34ad34 100644
--- a/src/calibre/devices/apple/driver.py
+++ b/src/calibre/devices/apple/driver.py
@@ -828,7 +828,15 @@ class ITUNES(DriverBase):
         if DEBUG:
             logger().info("ITUNES.get_file(): exporting '%s'" % path)
 
-        outfile.write(open(self.cached_books[path]['lib_book'].location().path).read())
+        try:
+            outfile.write(open(self.cached_books[path]['lib_book'].location().path).read())
+        except:
+            # Clean up
+            logger().info(" unable to extract books from iDevices")
+            logger().info(" deleting empty ", outfile.name)
+            outfile.close()
+            os.remove(outfile.name)
+            raise UserFeedback("Unable to extract books from iDevices", details=None, level=UserFeedback.WARN)
 
     def open(self, connected_device, library_uuid):
         '''
diff --git a/src/calibre/devices/user_defined/driver.py b/src/calibre/devices/user_defined/driver.py
index 296700d7c8..a88264c517 100644
--- a/src/calibre/devices/user_defined/driver.py
+++ b/src/calibre/devices/user_defined/driver.py
@@ -120,7 +120,6 @@ class USER_DEFINED(USBMS):
         self.plugin_needs_delayed_initialization = False
 
     def windows_sort_drives(self, drives):
-
         if len(drives) < 2: return drives
         e = self.settings().extra_customization
         if not e[self.OPT_SWAP_MAIN_AND_CARD]:
@@ -143,4 +142,18 @@ class USER_DEFINED(USBMS):
         drives[1] = t
         return tuple(drives)
 
+    def osx_sort_names(self, names):
+        if len(names) < 2: return names
+        e = self.settings().extra_customization
+        if not e[self.OPT_SWAP_MAIN_AND_CARD]:
+            return names
+        main = names.get('main', None)
+        card = names.get('carda', None)
+
+        if main is not None and card is not None:
+            names['main'] = card
+            names['carda'] = main
+
+        return names
+
 
diff --git a/src/calibre/gui2/complete.py b/src/calibre/gui2/complete.py
index 6ce6cc2ff0..5aa3d5af9b 100644
--- a/src/calibre/gui2/complete.py
+++ b/src/calibre/gui2/complete.py
@@ -165,17 +165,18 @@ class MultiCompleteComboBox(EnComboBox):
 
     def showPopup(self):
         c = self.le._completer
-        v = unicode(c.currentCompletion())
+        v = c.currentCompletion()
         c.setCompletionPrefix('')
         c.complete()
-        if c.model().rowCount() < tweaks['completion_change_to_ascii_sorting']:
-            i = 0;
-            while c.setCurrentRow(i):
-                cr = unicode(c.currentIndex().data().toString())
-                if cr.startswith(v):
-                    c.popup().setCurrentIndex(c.currentIndex())
-                    break
-                i += 1
+        cs = c.caseSensitivity()
+        i = 0
+        while c.setCurrentRow(i):
+            cr = c.currentIndex().data().toString()
+            if cr.startsWith(v, cs):
+                c.popup().setCurrentIndex(c.currentIndex())
+                return
+            i += 1
+        c.setCurrentRow(0)
 
     def update_items_cache(self, complete_items):
         self.lineEdit().update_items_cache(complete_items)