diff --git a/Tools/autotest/arducopter.py b/Tools/autotest/arducopter.py
index 64bfe77723..43ea913bfc 100644
--- a/Tools/autotest/arducopter.py
+++ b/Tools/autotest/arducopter.py
@@ -1473,7 +1473,7 @@ class AutoTestCopter(AutoTest):
             self.set_rc(1, 1600)
             tstart = self.get_sim_time()
             while True:
-                vicon_pos = self.mav.recv_match(type='VICON_POSITION_ESTIMATE',
+                vicon_pos = self.mav.recv_match(type='VISION_POSITION_ESTIMATE',
                                                 blocking=True)
                 # print("vpe=%s" % str(vicon_pos))
                 self.mav.recv_match(type='GLOBAL_POSITION_INT',