diff --git a/src/cocoa_joystick.h b/src/cocoa_joystick.h
index 9a5910153..fb46f9071 100644
--- a/src/cocoa_joystick.h
+++ b/src/cocoa_joystick.h
@@ -51,6 +51,7 @@ typedef struct _GLFWjoystickNS
 
     float*          axes;
     unsigned char*  buttons;
+    unsigned char*  hats;
 } _GLFWjoystickNS;