diff --git a/kernel/vm.c b/kernel/vm.c
index 3631c9c..7524998 100644
--- a/kernel/vm.c
+++ b/kernel/vm.c
@@ -54,8 +54,8 @@ kvminit()
 void
 kvminithart()
 {
-  sfence_vma();
   w_satp(MAKE_SATP(kernel_pagetable));
+  sfence_vma();
 }
 
 // Return the address of the PTE in page table pagetable