diff --git a/ft_strcpy.s b/ft_strcpy.s
index 925d2d3..ce98d48 100644
--- a/ft_strcpy.s
+++ b/ft_strcpy.s
@@ -5,10 +5,12 @@ ft_strcpy:
 .loop:
 	cmp byte [rsi + rax], 0
 	je .done
-	mov rdx, [rsi + rax]
-	mov [rdi + rax], rdx
+	mov dl, byte [rsi + rax]
+	mov byte [rdi + rax], dl
 	inc rax
 	jmp .loop
 .done:
+	inc rax
+	mov byte [rdi + rax], 0
 	mov rax, rdi 
 	ret