diff --git a/listings/chap2/pointers_size/pointers_size.asm b/listings/chap2/pointers_size/pointers_size.asm
new file mode 100644
index 0000000..a941e55
--- /dev/null
+++ b/listings/chap2/pointers_size/pointers_size.asm
@@ -0,0 +1,9 @@
+section .data
+test: dq -1
+
+section .text
+
+mov byte[test], 1 ;1
+mov word[test], 1 ;2
+mov dword[test], 1 ;4
+mov qword[test], 1 ;8