diff --git a/apps/litenes/Makefile b/apps/litenes/Makefile
index 6b4993f6..5a9d47ae 100644
--- a/apps/litenes/Makefile
+++ b/apps/litenes/Makefile
@@ -1,8 +1,9 @@
 NAME := litenes
 SRCS := $(shell find -L ./src/ -name "*.c")
 ROMS := $(shell find -L ./src/ -name "*.nes")
-PREBUILD := src/roms/gen/roms.h
+PREBUILD := rom
 include $(AM_HOME)/Makefile.app
 
-src/roms/gen/roms.h: $(ROMS)
-	@cd src/roms && python3 build-roms.py
\ No newline at end of file
+.PHONY: rom
+rom: $(ROMS)
+	@cd src/roms && python3 build-roms.py