diff --git a/tmk_core/protocol/lufa.mk b/tmk_core/protocol/lufa.mk
index a67939906e0..b048c1836cb 100644
--- a/tmk_core/protocol/lufa.mk
+++ b/tmk_core/protocol/lufa.mk
@@ -17,6 +17,10 @@ LUFA_SRC = lufa.c \
 	usb_descriptor.c \
 	$(LUFA_SRC_USB)
 
+ifeq ($(strip $(MIDI_ENABLE)), yes)
+	LUFA_SRC += $(LUFA_ROOT_PATH)/Drivers/USB/Class/Device/MIDIClassDevice.c
+endif
+
 ifeq ($(strip $(VIRTSER_ENABLE)), yes)
 	LUFA_SRC += $(LUFA_ROOT_PATH)/Drivers/USB/Class/Device/CDCClassDevice.c
 endif