diff --git a/Tools/autotest/autotest.py b/Tools/autotest/autotest.py
index 83d63a51a4..82da2dead5 100755
--- a/Tools/autotest/autotest.py
+++ b/Tools/autotest/autotest.py
@@ -7,6 +7,7 @@ import optparse, fnmatch, time, glob, traceback, signal
 
 sys.path.insert(0, os.path.join(os.path.dirname(os.path.realpath(__file__)), 'pysim'))
 sys.path.insert(0, os.path.join(os.path.dirname(os.path.realpath(__file__)), '..', '..', '..', 'mavlink', 'pymavlink'))
+sys.path.insert(0, os.path.join(os.path.dirname(os.path.realpath(__file__)), '..', '..', '..', 'mavlink', 'pymavlink', 'generator'))
 import util
 
 os.environ['PYTHONUNBUFFERED'] = '1'