diff --git a/src/security/intel/txt/Makefile.inc b/src/security/intel/txt/Makefile.inc
index 7132ca8..e19bacf 100644
--- a/src/security/intel/txt/Makefile.inc
+++ b/src/security/intel/txt/Makefile.inc
@@ -1,3 +1,5 @@
+romstage-$(CONFIG_INTEL_TXT_LIB) += txtlib.c
+
 ifeq ($(CONFIG_INTEL_TXT),y)
 
 all-y += logging.c