diff --git a/make_helpers/defaults.mk b/make_helpers/defaults.mk
index 412c3b7..16e7f1c 100644
--- a/make_helpers/defaults.mk
+++ b/make_helpers/defaults.mk
@@ -118,6 +118,9 @@
 # SPD choice
 SPD				:= none
 
+# For including the Secure Partition Manager
+ENABLE_SPM			:= 0
+
 # Flag to introduce an infinite loop in BL1 just before it exits into the next
 # image. This is meant to help debugging the post-BL2 phase.
 SPIN_ON_BL1_EXIT		:= 0