diff --git a/library/Makefile b/library/Makefile
index 430c598..d653aa0 100644
--- a/library/Makefile
+++ b/library/Makefile
@@ -63,6 +63,8 @@
 endif
 endif
 
+VPATH = ../tinycrypt
+
 OBJS_CRYPTO=	aes.o		aesni.o		arc4.o		\
 		aria.o		asn1parse.o	asn1write.o	\
 		base64.o	bignum.o	blowfish.o	\
@@ -84,7 +86,8 @@
 		ripemd160.o	rsa_internal.o	rsa.o  		\
 		sha1.o		sha256.o	sha512.o	\
 		threading.o	timing.o	version.o	\
-		version_features.o		xtea.o
+		version_features.o		xtea.o		\
+		ecc.o		ecc_dh.o	ecc_dsa.o
 
 OBJS_X509=	certs.o		pkcs11.o	x509.o		\
 		x509_create.o	x509_crl.o	x509_crt.o	\