diff --git a/Makefile b/Makefile
index cd763db..a677ea0 100644
--- a/Makefile
+++ b/Makefile
@@ -1241,6 +1241,7 @@
 	ENCRYPT_BL31 \
 	ENCRYPT_BL32 \
 	ERRATA_SPECULATIVE_AT \
+	ERRATA_SME_POWER_DOWN \
 	RAS_TRAP_NS_ERR_REC_ACCESS \
 	COT_DESC_IN_DTB \
 	USE_SP804_TIMER \
@@ -1430,6 +1431,7 @@
 	BL2_INV_DCACHE \
 	USE_SPINLOCK_CAS \
 	ERRATA_SPECULATIVE_AT \
+	ERRATA_SME_POWER_DOWN \
 	RAS_TRAP_NS_ERR_REC_ACCESS \
 	COT_DESC_IN_DTB \
 	USE_SP804_TIMER \