Programming :: Assembly Error: I386 Architecture Incompatible With I386:x86-64 Output?

I was following a simple tutorial on how to program and compile a hello world program using assembly when I got this error;Quote:ld: i386 architecture of input file `hello.o' is incompatible with i386:x86-64 output.The tutorial told me to make two files;Quote:hello.asmsection .data;section declaration

msg db "Hello, world!",0xa;our dear string
len equ $ - msg ;length of our dear string
section .text;section declaration

[code]....