diff --git a/firmware/hackrf_usb_rom_to_ram/Makefile b/firmware/hackrf_usb_rom_to_ram/Makefile
index 0d2ea0e2..460d2f6c 100644
--- a/firmware/hackrf_usb_rom_to_ram/Makefile
+++ b/firmware/hackrf_usb_rom_to_ram/Makefile
@@ -29,6 +29,7 @@ SRC = hackrf_usb.c \
 	usb_request.c \
 	usb_standard_request.c \
 	usb_descriptor.c \
+	usb_queue.c \
 	../common/fault_handler.c \
 	../common/hackrf_core.c \
 	../common/sgpio.c \