diff --git a/5_RemoteDesktop/server.py b/5_RemoteDesktop/server.py
index 1c58ee5..f8faee0 100755
--- a/5_RemoteDesktop/server.py
+++ b/5_RemoteDesktop/server.py
@@ -1,8 +1,15 @@
 #!/usr/bin/env python
+import sys
+PY3_OR_LATER = sys.version_info[0] >= 3
+
 import ctypes
 from flask import Flask, request, send_file
 from PIL import ImageGrab
-from StringIO import StringIO
+
+if PY3_OR_LATER:
+    from io import BytesIO as StreamIO
+else:
+    from io import StringIO as StreamIO
 
 # http://msdn.microsoft.com/en-us/library/windows/desktop/ms646260%28v=vs.85%29.aspx
 MOUSEEVENTF_LEFTDOWN = 2