diff --git a/vmm/src/cpu.rs b/vmm/src/cpu.rs
index f4339ec82..9048c2770 100644
--- a/vmm/src/cpu.rs
+++ b/vmm/src/cpu.rs
@@ -1733,8 +1733,7 @@ impl Cpu {
             flags: 1 << MADT_CPU_ENABLE_FLAG,
         };
 
-        let mut mat_data: Vec<u8> = Vec::new();
-        mat_data.resize(std::mem::size_of_val(&lapic), 0);
+        let mut mat_data: Vec<u8> = vec![0; std::mem::size_of_val(&lapic)];
         unsafe { *(mat_data.as_mut_ptr() as *mut LocalApic) = lapic };
 
         mat_data