Win32 compare 2 strings MASM32

.386
.model flat, stdcall
option casemap :none

include \masm32\include\masm32rt.inc

.data
    prompt db "Insert string:",0
    same_msg db "Both string are the same.",0
    diff_msg db "The strings are different.",0
    string db 50 dup(?)
    string2 db 50 dup(?)

.code

main:
    push offset prompt
    call StdOut

    push 50
    push offset string
    call StdIn

    push offset prompt
    call StdOut

    push 50
    push offset string2
    call StdIn

    push offset string2          ; Push both string offsets (pointers)
    push offset string
    call crt__stricmp
    add esp, 8                   ; Remove 8 bytes from stack (2 string pointers)
                                 ;    crt_stricmp is CDECL "C" calling convention
                                 ;    which requires the caller to clean the stack
    cmp eax, 0
;   je same                      ; Not needed
    jne diff

same:
    push offset same_msg
    call StdOut
    jmp fin                      ; We want to exit, not to fall into "diff" code

diff:
    push offset diff_msg
    call StdOut

fin:
    ret                           ; Return to exit or do: call ExitProcess

end main