diff --git a/src/calibre/devices/kindle/driver.py b/src/calibre/devices/kindle/driver.py
index c88a443689..081b41aa4f 100644
--- a/src/calibre/devices/kindle/driver.py
+++ b/src/calibre/devices/kindle/driver.py
@@ -60,6 +60,10 @@ class KINDLE(USBMS):
                                                'replace')
         return mi
 
+    def filename_callback(self, fname, mi):
+        if fname.startswith('.'):
+            return 'x'+fname[1:]
+
     def get_annotations(self, path_map):
         MBP_FORMATS = [u'azw', u'mobi', u'prc', u'txt']
         mbp_formats = set(MBP_FORMATS)