diff --git a/Makefile b/Makefile
index 13201a1..757ae34 100644
--- a/Makefile
+++ b/Makefile
@@ -1,10 +1,7 @@
 dev-image = 5150-dev
 
-writefloppy.bin: writefloppy.asm
-	nasm writefloppy.asm -o writefloppy.bin
-
-readfloppy.bin: readfloppy.asm
-	nasm readfloppy.asm -o readfloppy.bin
+%.bin: %.asm
+	nasm $? -o $@
 
 crc16.s: crc16.c
 	ia16-elf-gcc -S -Os -o crc16.s crc16.c