diff --git a/soc/runtime/mailbox.c b/soc/runtime/mailbox.c
index 00d87a62f..df0960302 100644
--- a/soc/runtime/mailbox.c
+++ b/soc/runtime/mailbox.c
@@ -5,7 +5,7 @@
 
 #include "mailbox.h"
 
-#define KERNELCPU_MAILBOX MMPTR(0xd0000000)
+#define KERNELCPU_MAILBOX MMPTR(0xf0000000)
 
 static unsigned int last_transmission;