diff --git a/Makefile b/Makefile
index 0e28fd2..5583a68 100644
--- a/Makefile
+++ b/Makefile
@@ -2,19 +2,18 @@ TARGETS = boot_floppy.bin boot_usb.bin second_binary.bin
 
 
 boot_floppy.bin: boot_floppy.asm floppy.img
-	nasm boot_floppy.asm -f bin -o boot_floppy.bin
+	nasm boot_floppy.asm -f bin -o boot_floppy.bin; \
 	dd if=boot_floppy.bin of=floppy.img bs=512 count=1 conv=notrunc
 
 boot_usb.bin: boot_usb.asm usb.img
-	nasm boot_usb.asm -f bin -o boot_usb.bin
+	nasm boot_usb.asm -f bin -o boot_usb.bin; \
         dd if=boot_usb.bin of=usb.img bs=512 count=1 conv=notrunc
 
 second_binary.bin: second_binary.asm floppy.img usb.img
-	nasm second_binary.asm -f bin -o second_binary.bin
-	dd if=second_binary.bin of=floppy.img bs=512 count=1 seek=3 conv=notrunc
+	nasm second_binary.asm -f bin -o second_binary.bin; \
+	dd if=second_binary.bin of=floppy.img bs=512 count=1 seek=3 conv=notrunc; \
         dd if=second_binary.bin of=usb.img bs=512 count=1 seek=3 conv=notrunc
 
-
 floppy.img: 
 	dd if=/dev/zero of=floppy.img bs=512 count=2880
 
diff --git a/usb.img b/usb.img
index 0c49e79..fd45395 100644
--- a/usb.img
+++ b/usb.img