diff --git a/xen/arch/riscv/riscv64/head.S b/xen/arch/riscv/riscv64/head.S
index 9c40512e61..7f6edc972f 100644
--- a/xen/arch/riscv/riscv64/head.S
+++ b/xen/arch/riscv/riscv64/head.S
@@ -98,6 +98,7 @@ FUNC(turn_on_mmu)
         srli    t1, t1, PAGE_SHIFT
         or      t1, t1, t0
         csrw    CSR_SATP, t1
+        sfence.vma
 
         jr      a0
 END(turn_on_mmu)