diff --git a/Makefile b/Makefile
index 2b1fcb9af..3a8b2f3dc 100644
--- a/Makefile
+++ b/Makefile
@@ -10,7 +10,7 @@ CCANDIR := ccan
 # Alpha has checksequenceverify, segregated witness+input-amount-in-sig+confidentual-transactions, schnorr, checklocktimeverify
 #FEATURES := -DHAS_CSV=1 -DALPHA_TXSTYLE=1 -DUSE_SCHNORR=1 -DHAS_CLTV=1
 # Bitcoin uses DER for signatures (Add BIP68 & HAS_CSV if it's supported)
-FEATURES := -DSCRIPTS_USE_DER=1 -DHAS_CTLV=1 #-DHAS_CSV=1 -DHAS_BIP68=1
+FEATURES := -DSCRIPTS_USE_DER=1 -DHAS_CLTV=1 #-DHAS_CSV=1 -DHAS_BIP68=1
 
 TEST_CLI_PROGRAMS :=				\
 	test-cli/check-commit-sig		\