diff --git a/src/mainboard/google/brox/variants/jubilant/overridetree.cb b/src/mainboard/google/brox/variants/jubilant/overridetree.cb
index 880b3dd057..4e554ab23a 100644
--- a/src/mainboard/google/brox/variants/jubilant/overridetree.cb
+++ b/src/mainboard/google/brox/variants/jubilant/overridetree.cb
@@ -294,6 +294,7 @@ chip soc/intel/alderlake
 				.clk_src = 1,
 				.clk_req = 1,
 				.flags = PCIE_RP_LTR | PCIE_RP_AER,
+				.pcie_rp_pcie_speed = SPEED_GEN2,
 			}"
 			chip drivers/wifi/generic
 				register "wake" = "GPE0_DW0_03"