diff --git a/syncplay/client.py b/syncplay/client.py
index d363db2..a79e465 100644
--- a/syncplay/client.py
+++ b/syncplay/client.py
@@ -1703,6 +1703,7 @@ class FileSwitchManager(object):
         if highPriority and self.folderSearchEnabled:
             directoryList = self.mediaDirectories
             # Spin up hard drives to prevent premature timeout
+            randomFilename = u"RandomFile"+unicode(random.randrange(10000, 99999))+u".txt"
             for directory in directoryList:
                 startTime = time.time()
                 if os.path.isfile(os.path.join(directory, randomFilename)):