diff --git a/src/soc/amd/stoneyridge/Kconfig b/src/soc/amd/stoneyridge/Kconfig
index 9bb5604391..f093e28670 100644
--- a/src/soc/amd/stoneyridge/Kconfig
+++ b/src/soc/amd/stoneyridge/Kconfig
@@ -296,7 +296,7 @@ config SMM_MODULE_STACK_SIZE
 
 config ACPI_CPU_STRING
 	string
-	default "\\_PR.P%03d"
+	default "\\_SB.P%03d"
 
 config ACPI_BERT
 	bool "Build ACPI BERT Table"