diff --git a/y2017/constants.cc b/y2017/constants.cc
index e2b743b..9530e27 100644
--- a/y2017/constants.cc
+++ b/y2017/constants.cc
@@ -13,7 +13,7 @@
 #include "aos/common/logging/logging.h"
 #include "aos/common/mutex.h"
 #include "aos/common/network/team_number.h"
-#include "aos/common/once.h"
+#include "aos/once.h"
 
 #include "y2017/control_loops/drivetrain/drivetrain_dog_motor_plant.h"
 #include "y2017/control_loops/drivetrain/polydrivetrain_dog_motor_plant.h"