diff --git a/Makefile b/Makefile
index 6d15e27..bede21a 100644
--- a/Makefile
+++ b/Makefile
@@ -730,7 +730,7 @@
     endif
 endif
 
-ifneq ($(filter 1,${MEASURED_BOOT} ${TRUSTED_BOARD_BOOT}),)
+ifneq ($(filter 1,${MEASURED_BOOT} ${TRUSTED_BOARD_BOOT} ${DRTM_SUPPORT}),)
     CRYPTO_SUPPORT := 1
 else
     CRYPTO_SUPPORT := 0