diff --git a/src/soc/intel/apollolake/chip.c b/src/soc/intel/apollolake/chip.c
index a29ba3b..956a55b 100644
--- a/src/soc/intel/apollolake/chip.c
+++ b/src/soc/intel/apollolake/chip.c
@@ -617,7 +617,7 @@
 	/*
 	 * Options to bump USB3 LDO voltage with 40mv.
 	 */
-	silconfig->ModPhyVoltageBump = cfg->ModPhyVoltageBump;
+	silconfig->ModPhyVoltageBump = cfg->mod_phy_voltage_bump;
 
 	/*
 	 * Options to adjust PMIC Vdd2 voltage.