diff --git a/src/soc/intel/xeon_sp/spr/Kconfig b/src/soc/intel/xeon_sp/spr/Kconfig
index 899f5ae26c..7aa1fec53e 100644
--- a/src/soc/intel/xeon_sp/spr/Kconfig
+++ b/src/soc/intel/xeon_sp/spr/Kconfig
@@ -22,6 +22,10 @@ config MAX_CPUS
 	int
 	default 255
 
+config ACPI_CPU_STRING
+	string
+	default "\\_SB.C%03X"
+
 config MAX_SOCKET_UPD
 	int
 	default 2