diff --git a/lib/hcrypto/Makefile.am b/lib/hcrypto/Makefile.am
index e5d320ef2..36655146c 100644
--- a/lib/hcrypto/Makefile.am
+++ b/lib/hcrypto/Makefile.am
@@ -105,6 +105,7 @@ libhcrypto_la_SOURCES =	\
 	evp.c		\
 	evp.h		\
 	evp-hcrypto.c	\
+	evp-aes-cts.c	\
 	engine.c	\
 	engine.h	\
 	hash.h		\