diff --git a/hypervisor/debug/npk_log.c b/hypervisor/debug/npk_log.c
index a2c7ccea7..0ab34f3fd 100644
--- a/hypervisor/debug/npk_log.c
+++ b/hypervisor/debug/npk_log.c
@@ -95,6 +95,9 @@ void npk_log_setup(struct hv_npk_log_param *param)
 				for (i = 0U; i < pcpu_nums; i++) {
 					per_cpu(npk_log_ref, i) = 0U;
 				}
+				hv_access_memory_region_update(base,
+					pcpu_nums * (HV_NPK_LOG_REF_MASK + 1U)
+					* sizeof(struct npk_chan));
 			}
 			param->res = HV_NPK_LOG_RES_OK;
 			npk_log_enabled = 1;