diff --git a/src/mainboard/intel/ptlrvp/variants/ptlrvp/Makefile.mk b/src/mainboard/intel/ptlrvp/variants/ptlrvp/Makefile.mk
index b9f1fd15dd..598167cbe4 100644
--- a/src/mainboard/intel/ptlrvp/variants/ptlrvp/Makefile.mk
+++ b/src/mainboard/intel/ptlrvp/variants/ptlrvp/Makefile.mk
@@ -7,3 +7,4 @@ romstage-$(CONFIG_FW_CONFIG) += fw_config.c
 ramstage-y += gpio.c
 romstage-$(CONFIG_FW_CONFIG) += variant.c
 ramstage-$(CONFIG_FW_CONFIG) += fw_config.c
+ramstage-$(CONFIG_FW_CONFIG) += variant.c