diff --git a/src/soc/amd/picasso/Kconfig b/src/soc/amd/picasso/Kconfig
index 526900a..8001b7a 100644
--- a/src/soc/amd/picasso/Kconfig
+++ b/src/soc/amd/picasso/Kconfig
@@ -321,7 +321,7 @@
 
 config ACPI_CPU_STRING
 	string
-	default "\\_PR.C%03d"
+	default "\\_SB.C%03d"
 
 config ACPI_BERT
 	bool "Build ACPI BERT Table"