diff --git a/soc/runtime/kloader.c b/soc/runtime/kloader.c
index cb0133c27..715caf8d4 100644
--- a/soc/runtime/kloader.c
+++ b/soc/runtime/kloader.c
@@ -102,4 +102,5 @@ void kloader_start_idle_kernel(void)
 void kloader_stop_kernel(void)
 {
     kernel_cpu_reset_write(1);
+    mailbox_acknowledge();
 }