diff --git a/Makefile b/Makefile
index f558602..11741ba 100644
--- a/Makefile
+++ b/Makefile
@@ -13,7 +13,7 @@ boot/%.bin: boot/%.asm
 fdimage.img: boot/floppy.bin kernel.bin
 	dd if=/dev/zero bs=512 count=$$(( $(FD_CYLINDERS) * $(FD_HEADS) * $(FD_SECTORS) )) of=$@
 	mformat -i $@ -t $(FD_CYLINDERS) -h $(FD_HEADS) -n $(FD_SECTORS) -B boot/floppy.bin ::
-	mcopy -i fdimage.img kernel.bin ::boot.bin
+	mcopy -i $@ kernel.bin ::boot.bin
 
 clean:
 	rm -f *.com *.bin *.img boot/*.bin