diff --git a/wpilibc/athena/include/RobotBase.h b/wpilibc/athena/include/RobotBase.h
index 29d3ac1c39..a929774fe0 100644
--- a/wpilibc/athena/include/RobotBase.h
+++ b/wpilibc/athena/include/RobotBase.h
@@ -11,6 +11,7 @@
 #include <iostream>
 
 #include "Base.h"
+#include "HAL/HAL.h"
 
 class DriverStation;