diff --git a/src/mainboard/system76/rpl/acpi/mainboard.asl b/src/mainboard/system76/rpl/acpi/mainboard.asl
index 16700a8165..c21ef9718e 100644
--- a/src/mainboard/system76/rpl/acpi/mainboard.asl
+++ b/src/mainboard/system76/rpl/acpi/mainboard.asl
@@ -14,9 +14,14 @@ Scope (\_SB) {
 		#include "backlight.asl"
 
 #if CONFIG(DRIVERS_GFX_NVIDIA)
+#if CONFIG(SOC_INTEL_ALDERLAKE_PCH_S)
 		Scope (PEG1) {
 			#include <drivers/gfx/nvidia/acpi/tigerlake.asl>
 		}
+#else // CONFIG(SOC_INTEL_ALDERLAKE_PCH_S)
+		Scope (PEG2) {
+			#include <drivers/gfx/nvidia/acpi/tigerlake.asl>
+		}
 #endif
 	}
 }