diff --git a/src/lib/Makefile.inc b/src/lib/Makefile.inc
index 08ad9b2..4ae80d3 100644
--- a/src/lib/Makefile.inc
+++ b/src/lib/Makefile.inc
@@ -150,6 +150,8 @@
 ramstage-$(CONFIG_ACPI_NHLT) += nhlt.c
 ramstage-y += list.c
 ramstage-$(CONFIG_FLATTENED_DEVICE_TREE) += device_tree.c
+ramstage-$(CONFIG_PAYLOAD_FIT_SUPPORT) += fit.c
+ramstage-$(CONFIG_PAYLOAD_FIT_SUPPORT) += fit_payload.c
 
 romstage-y += cbmem_common.c
 romstage-y += imd_cbmem.c