diff --git a/wpilibc/wpilibC++Devices/include/Joystick.h b/wpilibc/wpilibC++Devices/include/Joystick.h
index 429b499eae..42ec73a040 100644
--- a/wpilibc/wpilibC++Devices/include/Joystick.h
+++ b/wpilibc/wpilibC++Devices/include/Joystick.h
@@ -7,6 +7,7 @@
 #ifndef JOYSTICK_H_
 #define JOYSTICK_H_
 
+#include <cstdint>
 #include "GenericHID.h"
 #include "ErrorBase.h"