diff --git a/src/mainboard/google/rex/variants/baseboard/rex/devicetree.cb b/src/mainboard/google/rex/variants/baseboard/rex/devicetree.cb
index 1f079e295c..39fd8e87ff 100644
--- a/src/mainboard/google/rex/variants/baseboard/rex/devicetree.cb
+++ b/src/mainboard/google/rex/variants/baseboard/rex/devicetree.cb
@@ -1,7 +1,7 @@
 chip soc/intel/meteorlake
 
 	# GPE configuration
-	register "pmc_gpe0_dw0" = "GPP_A"
+	register "pmc_gpe0_dw0" = "GPP_B"
 	register "pmc_gpe0_dw1" = "GPP_E"
 	register "pmc_gpe0_dw2" = "GPP_F"