diff --git a/anki/sound.py b/anki/sound.py
index 98028b649..9943a83b7 100644
--- a/anki/sound.py
+++ b/anki/sound.py
@@ -159,7 +159,7 @@ class MplayerMonitor(threading.Thread):
                     extra = ""
                 else:
                     extra = " 1"
-                cmd = "loadfile %s%s\n" % (item, extra)
+                cmd = 'loadfile "%s"%s\n' % (item, extra)
                 self.mplayer.stdin.write(cmd)
             mplayerCond.release()