diff --git a/make_helpers/defaults.mk b/make_helpers/defaults.mk
index a66123a..cf1c215 100644
--- a/make_helpers/defaults.mk
+++ b/make_helpers/defaults.mk
@@ -176,6 +176,9 @@
 # Flag to enable delayed trapping of WFE instruction (FEAT_TWED)
 ENABLE_FEAT_TWED		:= 0
 
+# Flag to enable access to TCR2 (FEAT_TCR2)
+ENABLE_FEAT_TCR2		:= 0
+
 # By default BL31 encryption disabled
 ENCRYPT_BL31			:= 0