diff --git a/lib/hcrypto/Makefile.am b/lib/hcrypto/Makefile.am
index ec95f320e..2166f4ff3 100644
--- a/lib/hcrypto/Makefile.am
+++ b/lib/hcrypto/Makefile.am
@@ -20,6 +20,9 @@ hcryptoinclude_HEADERS =	\
 	des.h			\
 	dh.h			\
 	dsa.h			\
+	ec.h			\
+	ecdh.h			\
+	ecdsa.h			\
 	engine.h		\
 	evp.h			\
 	hmac.h			\