diff --git a/Makefile b/Makefile
index a7f070a..e0a80f1 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,7 @@
+CFLAGS = -O2 -Wall -Wextra -pedantic -Wno-unused-parameter
+
 nes:
-	${CC} -o nes cpu.c rom.c
+	${CC} ${CFLAGS} -o nes cpu.c rom.c ppu.c
 
 test: nes
 	./nes ${HOME}/src/other/nes-test-roms/other/nestest.nes