diff --git a/src/mainboard/google/brya/variants/vell/overridetree.cb b/src/mainboard/google/brya/variants/vell/overridetree.cb
index 7ffc7e027e..7595c6f099 100644
--- a/src/mainboard/google/brya/variants/vell/overridetree.cb
+++ b/src/mainboard/google/brya/variants/vell/overridetree.cb
@@ -125,10 +125,10 @@ chip soc/intel/alderlake
 			end
 		end
 		device ref pcie4_0 on
-			# Enable CPU PCIE RP 1 using CLK 0
+			# Enable CPU PCIE RP 1 using CLK 1
 			register "cpu_pcie_rp[CPU_RP(1)]" = "{
 				.clk_req = 1,
-				.clk_src = 3,
+				.clk_src = 1,
 			}"
 		end
 		device ref cnvi_wifi on