diff --git a/Tools/autotest/sim_vehicle.py b/Tools/autotest/sim_vehicle.py
index a2ef9bc4e6..54b3412441 100755
--- a/Tools/autotest/sim_vehicle.py
+++ b/Tools/autotest/sim_vehicle.py
@@ -344,7 +344,7 @@ _options_for_frame = {
 _default_waf_target = {
     "ArduPlane": "bin/arduplane",
     "ArduCopter": "bin/arducopter-quad",
-    "APMRover2": "bin/ardurover",
+    "APMrover2": "bin/ardurover",
     "AntennaTracker": "bin/antennatracker",
 }