diff --git a/src/mainboard/google/rex/variants/screebo/overridetree.cb b/src/mainboard/google/rex/variants/screebo/overridetree.cb
index 9320011a05..ee7469d602 100644
--- a/src/mainboard/google/rex/variants/screebo/overridetree.cb
+++ b/src/mainboard/google/rex/variants/screebo/overridetree.cb
@@ -245,17 +245,17 @@ chip soc/intel/meteorlake
 			end
 		end	# PCIE4_P9 SSD card
 		device ref pcie_rp10 on
-			# Enable SD Card PCIE4 rp10 using clk 7
+			# Enable SD Card PCIE4 rp10 using clk 6
 			register "pcie_rp[PCH_RP(10)]" = "{
-				.clk_src = 7,
-				.clk_req = 7,
+				.clk_src = 6,
+				.clk_req = 6,
 				.flags = PCIE_RP_HOTPLUG | PCIE_RP_LTR | PCIE_RP_AER,
 				.pcie_rp_aspm = ASPM_L1,
 			}"
 			chip soc/intel/common/block/pcie/rtd3
 				register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_D03)"
 				register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_D02)"
-				register "srcclk_pin" = "7"
+				register "srcclk_pin" = "6"
 				device generic 0 on
 					probe DB_SD SD_GL9750
 					probe DB_SD SD_RTS5227S