diff --git a/tmk_core/protocol/lufa/lufa.c b/tmk_core/protocol/lufa/lufa.c
index b15c7a76c8..3bfcc40dd6 100644
--- a/tmk_core/protocol/lufa/lufa.c
+++ b/tmk_core/protocol/lufa/lufa.c
@@ -54,6 +54,7 @@
 #include "quantum.h"
 #include <util/atomic.h>
 #include "outputselect.h"
+#include "momentum.h"
 
 #ifdef NKRO_ENABLE
   #include "keycode_config.h"