diff --git a/hypervisor/boot/guest/elf_loader.c b/hypervisor/boot/guest/elf_loader.c
index 6e9b6915df..4fde38930a 100644
--- a/hypervisor/boot/guest/elf_loader.c
+++ b/hypervisor/boot/guest/elf_loader.c
@@ -173,7 +173,7 @@ static void *do_load_elf32(struct acrn_vm *vm)
 				 * We assume that the guest elf can put segments to valid gpa.
 				 */
 				(void)copy_to_gpa(vm, p_elf_img + p_prg_tbl_head32->p_offset,
-					p_prg_tbl_head32->p_paddr, p_prg_tbl_head32->p_memsz);
+					p_prg_tbl_head32->p_paddr, p_prg_tbl_head32->p_filesz);
 				/* copy_to_gpa has it's stac/clac inside. So call stac again here. */
 				stac();
 			}