diff --git a/tests/amtest/src/tests/sv39.c b/tests/amtest/src/tests/sv39.c
index 7737293b27387ef7148d48a641bb29c9a66fdc07..a19a0caa392b470d138004090b8e96638f59621e 100644
--- a/tests/amtest/src/tests/sv39.c
+++ b/tests/amtest/src/tests/sv39.c
@@ -240,6 +240,7 @@ void sv39_hp_atom_test() {
   irq_handler_reg(EXCEPTION_STORE_ACCESS_FAULT, &store_access_fault_handler);
   irq_handler_reg(EXCEPTION_LOAD_ACCESS_FAULT, &load_access_fault_handler);
 
+  asm volatile("sfence.vma");
   printf("test sv39 hugepage data write\n");
   *hp_rw_ptr = 'a';